27.00-00A · spcc (spill prevention ... temporary tags are used during construction, ... from...

6/30/10 CECCONI

LOCATION OF WARNING AND DANGER LABELS FOR PAD-MOUNTED TRANSFORMERS27.00-04

SECTION 27 - PAD-MOUNTED TRANSFORMERS

TABLE OF CONTENTS

(VENDOR APPLIED)LOCATION OF OPTIONAL LABELS FOR PAD-MOUNTED TRANSFORMERS

SPCC (SPILL PREVENTION, CONTROL & COUNTERMEASURES) PLAN27.00-05

PAD-MOUNTED TRANSFORMER CATALOG NUMBERS SINGLE-PHASE27.00-06

LOCID LABELING MATERIALS 27.00-20

STANDARD SINGLE-PHASE PAD-MOUNTED TRANSFORMERS AND SINGLE-PHASE

STANDARD THREE-PHASE PAD-MOUNTED TRANSFORMERS AND BAY-O-NET27.02-06

BAY-O-NET FUSE OPERATING INSTRUCTIONS27.02-08

BAY-O-NET FUSE OPERATING INSTRUCTIONS27.02-0927.02-10

27.00-01UNDERGROUND DISTRIBUTION SPECIFICATIONS

OPERATING PROCEDURE FOR INSTALLING ELBOW SURGE ARRESTERSOPERATING PROCEDURE FOR INSTALLING ELBOW SURGE ARRESTERS

27.03-02B27.03-02A

27.00-02UNDERGROUND DISTRIBUTION SPECIFICATIONS

27.00-12ASINGLE-PHASE PAD-MOUNTED TRANSFORMER WEIGHTS AND OIL CAPACITIES

REPLACEMENT STUDS - 200 AMP BUSHING WELLS 27.00-16

GROUNDING DETAILS FOR SINGLE-PHASE LOW-PROFILE PAD-MOUNTED27.01-03

GROUND DETAILS FOR THREE-PHASE LOOP FEED TRANSFORMERS 27.01-04TRANSFORMERS

FUSE TABLE

FUSE TABLE

MAXIMUM TRANSFORMER LOADING (UG) 27.00-13

ARRESTER-ELBOW THREE-PHASE DEADFRONT LOOP NON INT-HVLAARRESTER-ELBOW THREE-PHASE DEADFRONT LOOP WITH INT-HVLA

ARRESTER - ELBOW AND FEED-THRU, SINGLE-PHASE PAD-MOUNTARRESTER - FEED-THRU SINGLE-PHASE PAD-MOUNT WITH INTERNAL ARRESTER

WITHOUT INTERNAL ARRESTER

27.03-1527.03-1427.03-13

27.03-12

0

APPR.REVISED BY CK'D

1

OPERATING PROCEDURE FOR MITIGATION OF FERRORESONANCE

(FIELD APPLIED)

AND THREE-PHASE 27.00-07

2

ELKINSGUINN

3

IDLE TRANSFORMERS 27.00-22

27.00-08BPAD-MOUNTED TRANSFORMER COMPATIBLE UNITS SINGLE-PHASE27.00-08APAD-MOUNTED TRANSFORMER COMPATIBLE UNITS SINGLE-PHASE

27.00 PAD-MOUNTED TRANSFORMERS- GENERAL

27.01 GROUNDING

27.02 FUSING

27.03 ELBOW ARRESTERS

IN UNDERGROUND CIRCUITS 27.03-02C

10/12/12 KATIGBAK ADCOCKBURLISON

27.00-00A

DEFDEP

X

DEMDEC8/15/14 KATIGBAK ADCOCKGUINN

27.00-12BTHREE-PHASE PAD-MOUNTED TRANSFORMER WEIGHTS AND OIL CAPACITIES

27.00-00BDWG.

SECTION 27 - PAD-MOUNTED TRANSFORMERS

TABLE OF CONTENTS11/16/10 ELKINSCECCONI GUINN

RECOMMENDED NUMBER OF CUSTOMER CONDUCTORS IN SECONDARY

THREE WIRE SERVICES, FLOATING WYE CONNECTIONTHREE-PHASE, THREE-WIRE 480 VOLT SERVICE

COMPARTMENT OF THREE-PHASE PAD-MOUNTED TRANSFORMERS

MINIPAD THREE-PHASE TRANSFORMER (FMO)

NEUTRAL CONNECTIONS LABELS FOR 3 WIRE SERVICES

THREE-PHASE PAD-MOUNTED TRANSFORMER GENERAL INFORMATION THREE-PHASE PAD-MOUNTED TRANSFORMER GENERAL INFORMATION

LOCATION OF OIL-FILLED PAD-MOUNTED TRANSFORMERS

TRANSFORMER SECONDARY SPADE BLOCK TERMINALS

PROTECTIVE POLES FOR OIL FILLED PAD-MOUNTED TRANSFORMERS

TERMINATION BOX INSTALLATION

NEUTRAL CONNECTIONS VARIATIONS FOR 3-WIRE SERVICESTHREE-PHASE PAD-MOUNTED TRANSFORMERS PRIMARY AND SECONDARY WINDING -

THREE-PHASE PAD-MOUNTED TRANSFORMER WITH CUSTOMER'S SECONDARY CABLE

THREE-PHASE PAD-MOUNTED TRANSFORMERS PRIMARY AND SECONDARY WINDING -

27.06-06

27.06-28

27.06-12

27.06-14

27.06-1627.06-20

27.06-26

27.06-09

27.06-08

27.06-02A27.06-02B27.06-05

FOUR WIRE SERVICES, GROUNDED WYE CONNECTION 27.06-24

0

2

1


3

CABLE AND CONDUIT ENTRANCE SINGLE-PHASE PAD-MOUNTED TRANSFORMER27.05-03

CABLE TRAINING - PADS-VAULTS SINGLE-PHASE PAD-MOUNTED TRANSFORMERSZ-BAR SECONDARY TERMINALS FOR SINGLE-PHASE LOW PROFILE PAD-MOUNTED

27.05-04

TRANSFORMERS 27.05-06

INSTALLATION 25-75 KVA (CONCRETE PADS ONLY)

FEED THROUGH BUSHING INSERT IN LOW PROFILE PAD-MOUNTED TRANSFORMERS

OPEN WYE-OPEN DELTA TRANSFORMER BANK, 240/12OV, 4-WIRE SERVICE USING 27.05-12

27.05-10COMPOSITE HOOD SINGLE-PHASE TRANSFORMER INSTALLATION 27.05-08

SINGLE-PHASE 7.2KV PAD-MOUNTED TRANSFORMERS

OPEN WYE-OPEN DELTA TRANSFORMER BANK, 240/120 VOLT, 4-WIRE SERVICEUSING SINGLE-PHASE 13.2KV AND 19.9KV PAD-MOUNTED TRANSFORMERS

27.05-13OPEN WYE-OPEN DELTA TRANSFORMER BANK 480 VOLT, 3-WIRE SERVICE USING

SINGLE-PHASE 7.2KV X 13.2KV PAD-MOUNTED TRANSFORMERS 27.05-14ATHREE-PHASE OPEN WYE-OPEN DELTA CONNECTION 7200/12470 X 13200/22860

TO 240/480V PAD-MOUNTED TRANSFORMER 480 VOLT THREE-PHASE27.05-14BTHREE WIRE SERVICE

CABLE AND CONDUIT ENTRANCE SINGLE-PHASE PAD-MOUNTED TRANSFORMER27.05-01INSTALLATION 100 KVA AND LARGER (CONCRETE PADS ONLY)

7/15/11 ELKINSCECCONI BURLISON

8/17/12 ELKINSKATIGBAK BURLISON

FOR MAINTENANCE ONLY DRAWINGS

THE FOR MAINTENANCE ONLY DRAWINGS LISTED BELOW ARE NOT CONTAINED IN

THE PRINTED SPEC BOOK, BUT ARE AVAILABLE ONLINE

27.06 THREE-PHASE PAD-MOUNTS

27.05 CABLE AND CONDUIT ENTRANCES

4160Y/2400 VOLT SECONDARY2500 KVA, THREE-PHASE, PAD-MOUNTED TRANSFORMER WITH

27.06-34A

4160Y/2400 VOLT SECONDARY2500 KVA, THREE-PHASE, PAD-MOUNTED TRANSFORMER WITH

27.06-34B

11/13/13 ELKINSKATIGBAK BURLISON

TRANSFORMERS

THE STANDARD TRANSFORMER FOR SINGLE-PHASE UNDERGROUND SYSTEMS IS THE PAD-MOUNTED TYPE WITHAN INTERNAL, HIGH VOLTAGE WEAK LINK AND BAYONET FUSE. ALL UNITS HAVE A LOADBREAK ELBOW FORVISIBLE DISCONNECT MEANS ON EACH OF THE TWO HIGH-VOLTAGE CABLES.

WHERE TRANSFORMERS HAVE TWO DISCONNECT BUSHING WELLS AND ONLY ONE CABLE ELBOW IS TO BECONNECTED, A BUSHING AND DEAD-END RECEPTACLE ARE TO BE INSTALLED IN THE UNUSED WELL. UNUSEDCABLE ELBOWS ARE TO HAVE A PLUG OR BUSHING.

THE STANDARD TRANSFORMER FOR THREE-PHASE UNDERGROUND WYE-SECONDARY SYSTEMS IS THEPAD-MOUNTED TYPE WITH AN INTERNAL, HIGH VOLTAGE WEAK LINK AND BAYONET FUSE. ON RADIAL FEEDSYSTEMS, PROTECTION MUST BE PROVIDED BY FUSES ON THE DIP POLE SIZED ACCORDING TO FUSING TABLES.

TRANSFORMER PADS

TRANSFORMER PADS AND ALL ASSOCIATED PREPARATIONS FOR A TRANSFORMER SHALL BE CONSTRUCTED

ESSENTIALLY EQUIVALENT TO UNDISTURBED EARTH BEFORE PADS ARE INSTALLED. THE PADS MAY BE PRECAST OR POURED AT SITE. THOSE PADS POURED AT SITE SHALL BE ALLOWED TO SET A MINIMUM OF THREE DAYSBEFORE THE TRANSFORMER IS PLACED.

TRANSFORMER INSTALLATION

AT ALL STAGES OF TRANSPORTING AND INSTALLING, CARE SHALL BE TAKEN TO AVOID SCRATCHING ORDAMAGING THE TRANSFORMER EXTERIOR. DAMAGED AREAS MUST BE TOUCHED-UP WITH PAINT.

DO NOT INSTALL TRANSFORMERS OVER CULVERTS, DRAIN LINES OR DROP INLETS. CARE SHOULD BE TAKEN INPLACING THE TRANSFORMER ON THE PAD SO AS TO AVOID DAMAGE TO CABLES AND OTHER EQUIPMENT. THETRANSFORMER SHALL BE SECURELY BOLTED TO PAD USING THE BOLTS CAST INTO THE PAD OR OTHERAPPROVED FASTENERS.

THE CONTACT SURFACE BETWEEN THE TRANSFORMER AND PAD SHALL BE TAMPER-PROOF. ANY SPACE BETWEENTHE BOTTOM OF TRANSFORMER CABLE COMPARTMENT AND PAD SHALL BE FILLED WITH GROUT ON THE INSIDEOF THE TERMINAL COMPARTMENT. NO DIRT SHALL BE IN CONTACT WITH THE TRANSFORMER.

DWG.

27.00-016/23/10

UNDERGROUND DISTRIBUTION SPECIFICATIONSSIMMONS GUINN ELKINS

ACCORDING TO SECTION 24. THE EARTH SHALL BE LEVEL AND THOROUGHLY TAMPED TO GIVE COMPACTION

ARE AVAILABLE FOR THE DEFINED COASTAL AREAS.THE STANDARD SINGLE-PHASE TRANSFORMER IS MILD STEEL. SPECIAL 304L SERIES STAINLESS STEEL UNITS

R

TRANSFORMER SECURITY

TRANSFORMER COMPARTMENTS SHALL BE KEPT LOCKED WITH A PADLOCK AT ALL TIMES EXCEPT WHEN WORKIS BEING PERFORMED IN THE COMPARTMENT ACCORDING TO ESTABLISHED SAFETY RULES. IN ADDITION, EACHPAD-MOUNTED TRANSFORMER SHOULD BE SECURED WITH A PENTA-HEAD BOLT TO MEET ENCLOSURE INTEGRITYGUIDELINES OUTLINED IN ANSI STANDARD C57.12.28. EACH PAD-MOUNTED TRANSFORMER IS SHIPPED FROMTHE MANUFACTURER WITH A PENTA-HEAD BOLT IN THE LOCKING MECHANISM.

REPLACEMENT PENTA-HEAD BOLTS WITH FLAT WASHERS AND RETAINERS ARE AVAILABLE AT THE GENERALWAREHOUSE (GMX) FOR MAINTENANCE PURPOSES. A COMPATIBLE UNIT (ASSEMBLY) HAS BEEN ESTABLISHEDFOR THE REPLACEMENT PENTA-HEAD BOLT AS FOLLOWS:

WASHER, FLAT, 1/2", 1" OD, STAINLESS STEEL

BOLT, 1/2-13, 1-1/4", PENTAHEAD, STAINLESS STEELRETAINER, BOLT, 1/2", NEOPRENE

-

--

REPLACEMENT PENTA-HEAD BOLTSQUANTITY

TUAPENTABLTC

PGN COMP. UNIT DESCRIPTION

922011092492201109239220110921

CATALOG NUMBER

0

1


2

3

LIFTING BOLTS ON EACH SIDE OF A SINGLE-PHASE TRANSFORMER SHOULD BE REMOVED AFTER THETRANSFORMER IS INSTALLED. THESE MAY BE KEPT FOR FUTURE USE.

IDENTIFICATION PROCEDURES

ONE OF THE MAJOR DIFFERENCES BETWEEN OVERHEAD AND UNDERGROUND DISTRIBUTION IS THAT THE SOURCE OF FEED FOR THE VARIOUS CABLES AND APPARATUS CANNOT BE VISIBLY TRACED IN THE UNDERGROUND SYSTEM.A COMPLETE IDENTIFICATION METHOD MUST BE USED FOR UNDERGROUND PROJECTS. IT MUST BE SIMPLE,PERMANENT, AND EASILY IDENTIFIABLE IN ORDER TO KNOW THE SOURCE, DIRECTION OF FEED, AND TERMINATIONPOINT OF THE CONDUCTORS.

ALL TERMINAL POLES, PADS, TRANSFORMERS, PEDESTALS, PRIMARY PHASES, AND ANY OTHER APPARATUS SHALLBE NUMBERED OR LETTERED ON LAYOUT MAPS ON THE SYSTEM BY ENGINEERING BEFORE CONSTRUCTION ISSTARTED. DURING CONSTRUCTION, ALL CABLE ENDS MUST BE TAGGED BEFORE TRENCHES ARE BACKFILLED. IFTEMPORARY TAGS ARE USED DURING CONSTRUCTION, PERMANENT TAGS MUST BE INSTALLED BEFORE THE SYSTEM IS ENERGIZED. THE LETTERS X, Y, AND Z ARE USED TO IDENTIFY DIFFERENT UNDERGROUND PHASES.THIS IS DONE TO PREVENT CONFUSION IF THE OVERHEAD PHASES A, B, AND C SERVING THE UNDERGROUND ARE LATER SWAPPED.

PROTECTION AND COORDINATION

LIGHTNING PROTECTION SHALL BE PROVIDED BY A DIRECT-CONNECTED RISER POLE TYPE ARRESTERS INSTALLED ON EACH CABLE AT ALL NEW TERMINAL POLES.

PROTECTION AGAINST FAULT CURRENTS SHOULD BE PROVIDED BY A SECTIONALIZING FUSE, ON ALL CABLETERMINAL POLES AS SPECIFIED BY THE ENGINEER.

CARE SHOULD BE TAKEN TO ENSURE THAT THE PROTECTIVE DEVICE ON THE TERMINAL POLE PROPERLY COORDINATES WITH THAT IN THE LARGEST TRANSFORMER IN THE LOOP, AS WELL AS THE NEXT OVERHEADPROTECTIVE DEVICE TOWARD THE SUBSTATION.

GROUNDING

DRIVEN GROUND RODS SHALL BE PROVIDED AT EACH CABLE TERMINAL POLE AND AT EACH TRANSFORMER.

GROUND LEADS FROM THE DRIVEN GROUNDS SHALL BE SOLIDLY CONNECTED TO THE PRIMARY NEUTRAL, THESECONDARY NEUTRAL, AND TO THE GROUNDING CONNECTION OF ALL EQUIPMENT.

IN ADDITION, ON ALL NEW RESIDENTIAL INSTALLATIONS, IF THE TRANSFORMER AT THE OPENING POINT OF THEUNDERGROUND SYSTEM DOES NOT CONTAIN AN INTERNAL ARRESTER, AN ELBOW ARRESTER SHALL BE INSTALLED.

DWG.

27.00-026/23/10

UNDERGROUND DISTRIBUTION SPECIFICATIONSSIMMONS GUINN ELKINS

R

0

3

2

1


DISTRIBUTION TRANSFORMERS ARE PRIMARY COST COMPONENTS IN PROVIDING CUSTOMER SERVICE. THEESTIMATED SERVICE LIFE FOR TRANSFORMERS IS 30 YEARS. TRANSFORMERS SHOULD NOT BE REPLACED UNLESSABSOLUTELY NECESSARY.

LEAKING OIL, LOCKING PROBLEMS, DAMAGED DOORS, ETC. BEFORE REPLACING THREE-PHASEPAD-MOUNTED TRANSFORMERS, CHECK WITH TRANSFORMER REPAIR SHOP TO SEE IF UNIT CAN BE

CABLE IS ALSO BEING REPLACED. THE TRANSFORMER IS KNOWN TO HAVE A PCB CONCENTRATION OF 50 PPM OR MORE.

TRANSFORMERS SHOULD NOT BE REPLACED WHEN DOING UNDERGROUND PRIMARY CABLE REPLACEMENT UNLESSTHEY ARE LIVE FRONT SINGLE-PHASE UNITS. ALSO, TRANSFORMERS SHOULD NOT BE REPLACED WHEN THE PRIMARY NON-LOADBREAK ELBOWS ARE BEING REPLACED WITH LOADBREAK ELBOWS. THE BUSHING INSERTSSHOULD BE REPLACED RATHER THAN THE ENTIRE TRANSFORMER.

REINSTALLATION POLICY

REPLACEMENT POLICY

THE CONDITION OF THE TRANSFORMER IS AN IMMEDIATE SAFETY HAZARD.THE TRANSFORMER IS OVERLOADED.THE TRANSFORMER IS UNDERLOADED AND CAN BE ECONOMICALLY DOWNSIZED.

PHYSICAL DAMAGE OCCURS THAT CANNOT BE FIELD REPAIRED SUCH AS BROKEN BUSHINGS, RUSTING,

THE TRANSFORMER IS AN OBSOLETE SINGLE-PHASE LIVE FRONT PAD-MOUNTED AND THE UNDERGROUND

NAMEPLATE SHOULD BE INSTALLED. ANY TRANSFORMER OF UNKNOWN PCB CONTENT THAT HAS BEEN REMOVED

AS IT ARRIVES AT THE L&S YARD.

NON-PCB TRANSFORMERS IN OPERABLE CONDITION SHOULD BE RESTOCKED AND RE-USED. DO NOT SEND OPERABLE TRANSFORMERS TO THE TRANSFORMER SHOP UNLESS THEY NEED REPAIR, PAINTING, TESTING, ORHAVE A KNOWN OR ASSUMED PCB CONTENT OF 50 PPM OR MORE.

A PAD-MOUNTED TRANSFORMER OF UNKNOWN PCB CONTENT MAY NOT BE TRANSFERRED IN THE FIELD.

ONLY NON-PCB TRANSFORMERS (LESS THAN 50 PPM) AS SHOWN BY BLUE DOT, BLUE NON-PCB LABEL, OR

AND SENT TO THE GARNER TRANSFORMER SHOP. THE LABEL MUST BE PLACED ON THE TRANSFORMER AS SOON

DO NOT REPLACE A TRANSFORMER UNLESS:

REPAIRED IN FIELD.

FROM SERVICE SHOULD HAVE A "PCB ARTICLE STORAGE FOR REUSE" LABEL PLACED ON IT ( CN 9220066730)

LC

EXTERIOR MOUNTING ONLY

WARNING/SHRUBBERY LABELCN 9220111316

2"

LOCID NO.37 KVA1X

2"

1 PHASE MINI-PAD

X3

X1

X2

6"

LC

1BH

1AH

LINE OF DOOR HANDLE, SIX INCHES FROMINSIDE OF TRANSFORMER DOOR, ON CENTER DANGER LABEL SHALL BE LOCATED ON THE

DOOR OPEN1 PHASE MINI-PAD

DOOR CLOSED

2"

LOCID NO.

14.4750 KVA

SER. NO.

LC

2"

NOTES:

3 PHASE PAD-MOUNTDOORS CLOSED

6"

CL

X1

X2X0

X3

CANNOT BE MOVED.

DOOR OPEN

3 PHASE PAD-MOUNT

ONCE THIS MATERIAL IS APPLIED, IT 3. LABELS MUST BE APPLIED CAREFULLY.

CLOTH BEFORE APPLYING LABEL.

2. WIPE METAL SURFACES WITH CABLE

BELOW 50°F WHEN LABEL IS APPLIED.

4. SPACE LOCID LABELING LINES 1/2" APART.

1. SURFACE TEMPERATURE SHOULD NOT BE

FIGURE 4

DWG.

27.00-046/23/10 SIMMONS GUINN ELKINS

LOCATION OF WARNING AND DANGER LABELSFOR PAD-MOUNTED TRANSFORMERS

(VENDOR APPLIED)

CLEANER (CN 30525000) & A CLEAN

DOOR EDGE AS SHOWN, CN 21129804.

PCB STICKER

PCB STICKER

WARNING/SHRUBBERYLABEL

WARNING/SHRUBBERYLABEL

DANGER LABELINTERIOR MOUNTING ONLY

7"

10"

4-1/2"

8"

0

3

2

1


Hazardous voltage.Will shock, burn,or cause death.

Qualified personnelonly. Protectiveequipment required.

10/9/13 SIMMONS GUINN ADCOCK

5. ANY TRANSFORMER WITH MISSING WARNING/SHRUBBERY

OR DANGER LABEL SHALL HAVE THESE ADDED AS SOON ASPOSSIBLE.

DWG.

27.00-05

LOCATION OF OPTIONAL LABELSFOR PAD-MOUNTED TRANSFORMERS

(FIELD APPLIED)

R

WARNING LABELSEE DWG. 27.00-04

DOOR CLOSEDSINGLE-PHASE MINI-PAD

DOOR OPEN

"CAUTION" LABEL SHALL BE LOCATED ON THEOUTSIDE OF TRANSFORMER NEAR DOOR HANDLE.

CN 440247

6/23/10 ELKINSSIMMONS GUINN

3. LABELS MUST BE APPLIED CAREFULLY. ONCE THIS MATERIAL IS APPLIED, IT CANNOT BE MOVED.

2. WIPE METAL SURFACES WITH CABLE CLEANER ( CN 30525000) & A CLEAN CLOTH BEFORE APPLYING LABEL.

DCC IS REQUIRED.DIFFERENT FEEDERS. CONTACTWHERE THE SOURCES ARE FROMTO IDENTIFY OPENING POINTSNOTE: THIS STICKER TO BE USED

1AH

H1B

LC

1. SURFACE TEMPERATURE SHOULD NOT BE BELOW 50°F WHEN LABEL IS APPLIED.

NOTES:

WARNING LABELSEE DWG. 27.00-04

THREE-PHASE PAD-MOUNTDOORS CLOSED

2"

LC

14.4SER. NO.LOCID NO.

750 KVA

CN 21156005

2"

CL

2"

X2

X3

X1

6"

LOCID NO.37 KVA1X

2"

2"

2"

2"

2"

CN 9220120922'JOINT TRENCH' STICKER

SEE DWG. 27.00-04DANGER LABEL

0

3

2

1

APPR.REVISED BY

NORMAL

OPEN POINT

J

O

I

N

T

T

R

E

N

C

H

CK'D

11/30/12 ADCOCKGUINN GUINN

SINGLE-PHASE MINI-PAD

1/4/13 ADCOCKGUINN GUINN

2/4/13 GUINN ADCOCKGUINN

DWG.


SPCC (SPILL PREVENTION, CONTROL &

COUNTERMEASURES) PLANR

0

3

2

1


STANDARD PROCEDURES BULLETIN

RESPONSIBLE FOR MAINTAINING THE FACILITY. COPIES OF ALL SITE INSPECTIONS SHOULD BE RETAINED FOR A SPILL PREVENTION AND EMERGENCY RESPONSE. THE SPCC PLAN SHOULD BE AVAILABLE FOR USE BY THE LINEMEN PLAN SHOULD IDENTIFY AN INDIVIDUAL(S) (BY NAME OR POSITION) WHO IS RESPONSIBLE FOR INITIATING OIL CALCULATIONS, AND A LIST OF SITE RECOMMENDATIONS FOR OIL SPILL PREVENTION/MITIGATION. THE SPCC

CONTROL SYSTEM. THE REGION ENGINEERING SUPERVISOR IS RESPONSIBLE FOR PREPARING SPCC PLANS ANDENGINEER REVIEW UNLESS MATERIAL CHANGES HAVE OCCURRED IN THE OIL STORAGE VOLUME OR SPILL

REPORTS SHOULD BE KEPT WITH THE SPCC PLAN.PROVISIONS OF PROGRESS ENERGY'S ENVIRONMENTAL GUIDANCE DOCUMENT. COPIES OF THESE OIL SPILL THE REPORTING OF ANY OIL SPILLS INVOLVING THESE FACILITIES SHOULD BE DONE ACCORDING TO THE

SHOULD BE DOCUMENTED AND KEPT IN SUPPORT OF THE SPCC PLAN.MINIMUM OF THREE YEARS. ALL CORRECTIVE AND PREVENTIVE MAINTENANCE WORK DONE AT THE FACILITY

THE SPCC SITE PLAN SHOULD INCLUDE SITE LAYOUT, SITE DRAINAGE DETAILS, OIL CAPACITIES, OIL SPILL DATA

ASSURING THEIR REGION IS IN COMPLIANCE WITH THESE FEDERAL REGULATIONS. IF AN UPDATED SPCC SITE

PLAN MUST BE REVIEWED AND UPDATED EVERY FIVE YEARS. UPDATED PLANS DO NOT REQUIRE A PROFESSIONALAN SPCC SITE PLAN MUST BE PREPARED AND IMPLEMENTED BEFORE TRANSFORMERS ARE MOVED ON SITE. THE

DISTRIBUTION DEPARTMENT VP AND REGION VPS.REVIEWED BY DISTRIBUTION STANDARDS. THE MASTER SPCC PLAN HAS BEEN SIGNED AND APPROVED BY THEALL SPCC SITE PLANS MUST BE REVIEWED AND SEALED BY A PROFESSIONAL ENGINEER. THE PLAN SHOULD BE

NAVIGABLE WATER. (PONDS WITH NO OUTLETS DO NOT COUNT AS NAVIGABLE WATER.)THE SITE IS SUCH THAT AN OCCURRING OIL SPILL CAN REASONABLY BE EXPECTED TO REACH ANY

THE COMBINED CAPACITY OF ALL TRANSFORMERS ON THE SITE IS 1320 GALLONS OR MORE OF OIL.

ALL OIL-FILLED DISTRIBUTION TRANSFORMERS ARE REQUIRED BY FEDERAL REGULATIONS TITLE 40 CFR PART 112 TO HAVE AN SPCC PLAN WHENEVER:

B)

AND

A)

SPILL CANNOT REASONABLY BE EXPECTED TO REACH ANY NAVIGABLE WATER, THAT DETERMINATION SHOULDBE DOCUMENTED. ANY CALCULATIONS SUCH AS THE MOSES PROGRAM RESULTS SHOULD BE KEPT ON FILE INTHE REGION AND A LETTER OR MEMO TO DISTRIBUTION STANDARDS TO DOCUMENT THAT NO PLAN IS NEEDED.

PLAN DOES REQUIRE CHANGES IN THE SPILL CONTROL PROGRAM, ALL CHANGES MUST BE IMPLEMENTED WITHINSIX MONTHS.

IF IT IS DETERMINED BY A PROFESSIONAL ENGINEER THAT NO PLAN IS NEEDED FOR A SITE BECAUSE AN OIL

SPCC MASTER PLANDISTRIBUTION - SYSTEM ENGINEERING

SPCC SITE PLANS OPS CTR OF FACILITY LOCATION

EACH OPS CENTERENVIRONMENTAL

SYSTEM ENGINEERING

DIST. EQUIPMENT TECHNICIANSTANDARDS

TECHNICIANDIST. EQUIPMENT


DIST. EQUIPMENTTECHNICIAN

DISTRIBUTIONSTANDARDS

INSPECTIONSREGULAR SITE

PREVENTATIVECORRECTIVE &




DOCUMENTATION

WORK DOCUMENTATION

FIVE YEARPLAN REVIEW

DOCUMENT INITIATED BY ORIGINAL COPIES TO

DISTRIBUTION

STANDARDSDISTRIBUTION

INSPECTIONS OF FACILITIES WITH SPCC PLANS SHALL BE DONE AT LEAST ANNUALLY, DOCUMENTED AND FILEDFOR AT LEAST THREE YEARS. THE INSPECTION SHALL DOCUMENT THAT THE BERM IS IN GOOD CONDITION ANDTHERE IS NO EVIDENCE OF A SPILL OR LEAK.

REGION SUPERVISORSYSTEM ENGINEERING

NOTE: A "SITE IS DEFINED AS EITHER ALL OF THE TRANSFORMERS WITHIN AN ENCLOSED FENCE OR

ALL OF THE PAD-MOUNTED TRANSFORMERS SERVING THE SAME POINT OF DELIVERY.

120/240

SINGLE-PHASE UNITS

CATALOG NUMBER KVA HV LV

13.212944104

12944302 13.2 120/240

12944500 13.2 120/240

12944609 13.2 120/240

12941100 7.2 X 13.2 120/240

12941308 7.2 X 13.2 120/240

12941506 7.2 X 13.2 120/240

12941605 167 7.2 X 13.2 120/240

12941704 250 7.2 X 13.2 120/240

6958 25 7.2 120/240

6960 50 7.2 120/240

6961 100 7.2 120/240

50

25

167

100

50

25

100

DWG.


PAD-MOUNTED TRANSFORMER CATALOG NUMBERS

SINGLE-PHASE AND THREE-PHASE

NOTES:

1. THESE CATALOG NUMBERS ARE THE STANDARD UNITS THAT ARE CURRENTLY PURCHASED AND STOCKED. OTHERSPECIAL ORDER UNITS ARE AVAILABLE ON REQUEST.

0

1


12944401 13.2 120/24075

9220157891 75 7.2 120/240

9220159649 167 7.2 120/240

2. SEE DWG. 12.06-03 FOR STAINLESS STEEL, SINGLE AND THREE-PHASE PAD-MOUNTED TRANSFORMERS. THESE

208Y/120

THREE-PHASE UNITS

CATALOG NUMBER KVA HV LV

12950606 75

12950705 150 208Y/120

12950804 300 208Y/120

12950903 500 208Y/120

12951000 750 208Y/120

12970109 1000 208Y/120

12952008 480Y/277

12952107 480Y/277

12952206 480Y/277

12952305 480Y/277

12952503

480Y/277

12952602

480Y/277

12952701

480Y/277

9220126005

480Y/277

12952719

22.86 480Y/277

4160Y/2400

12955605 22.86 208Y/120

12955704 22.86 208Y/120

12955803 22.86 208Y/120

12955902 22.86 208Y/120

12955910 22.86 208Y/120

12958005 22.86

12958104 22.86 480Y/277

12958203 22.86 480Y/277

12958302 22.86 480Y/277

12958401 22.86 480Y/277

12958500 22.86 480Y/277

12952800 22.86

12953014 22.86

12951802 22.86 MINI 208Y/120

12951901 22.86 MINI 208Y/120

750

1000

500

300

150

75

1500

2500

2500

3750

150

300

500

750

75

2500

1500

150

300

500

1000

750

75

75

150

480Y/277

480Y/277

480Y/277

12952404

9220127645 12.47 MINI 208Y/12075

ARE SUBJECT TO FLOODING AND/OR OTHER CONTAMINATION.

3. SINGLE-PHASE UNITS WITH A 7.2 X 13.2 RATING AND THREE-PHASE UNITS WITH A 12.47KV DELTA OR 22.86KV WYE RATING CAN BE USED ON 12.47KV OR 23KV SYSTEMS.

MINI-PADS - USE FOR REPLACEMENTS ONLY -

NO NEW INSTALLATIONS

9220180535 50 240/480

9220180545 100 240/480

208Y/120

208Y/120

208Y/120

208Y/120

480Y/277

480Y/277

480Y/277

480Y/277

12.47

12.47

12.47

12.47

12.47

12.47

12.47

12.47

75

150

300

500

75

150

300

500

9220180427

9220180430

9220180433

9220180436

9220180428

9220180431

9220180434

9220180413

2

NEW CATALOG NUMBER. CHECK ON AVAILABILITY OR

*

**LEAD TIME.

****

***

****************

****

UNITS ARE TO BE USED ONLY IN DESIGNATED COASTAL AREAS, HIGHLY CORROSIVE AREAS OR VAULTS THAT

NO LONGER PURCHASED BUT MAY BE AVAILABLE IN SMALL QUANTITY. CHECK AVAILABILITY BEFORE ORDERING.

3

4. SEE DWG. 11.00-09 FOR 4160Y/2400 VOLT METERING REQUIREMENTS.

5/7/12 SIMMONS BURLISON ELKINS

12944708 13.2 120/240250*

7/12/13 SIMMONS GUINN ADKINS

OR 22.86KV WYE12.47KV DELTA















7.2 X 13.2

7.2 X 13.2

DUAL VOLTAGE UNITS MAY BE SPECIAL ORDERED IF USEDIN PREPARTION FOR A VOLTAGE CONVERSION.

**

****

****

SINGLE-PHASE UNITS

NUMBER UNITDESCRIPTION

DWG.

27.00-08A6/23/10 SIMMONS GUINN ELKINS

PAD-MOUNTED TRANSFORMER COMPATIBLE UNITS

SINGLE-PHASER

0

1


2

3

006958006960

9220157891006961

92201596491294410412944302129444011294450012944609129447081294110012941308129415061294160512941704

922018053592201805451294700812947206129471071294200912942207129424051294250412942512

922015966692201596679220159668922015967092201596729220159650

TU25DLM121CCTU50DLM121CCTU75DLM121CCTU100DLM121CCTU167DLM121CCTU25DLM231CCTU50DLM231CCTU75DLM231CCTU100DLM231CCTU167DLM231CCTU250DLM231CCTU25DLMK1CCTU50DLMK1CCTU100DLMK1CCTU167DLMK1CCTU250DLMK1CCTU50DLMK1DCTU100DLMK1DCTU25DL3351CCTU50DL3351CCTU100DL3351CCTU25DL3K1CCTU50DL3K1CCTU100DL3K1CCTU167DL3K1CCTU250DL3K1CCTU50DL3121CCTU100DL3121CCTU167DL3121CCTU50DL3231CCTU100DL3231CCTU167DL3231CC

25KVA DF LOOP MILD 12.47GY/7.2 KV 1PH 240/120V50KVA DF LOOP MILD 12.47GY/7.2 KV 1PH 240/120V75KVA DF LOOP MILD 12.47GY/7.2 KV 1PH 240/120V100KVA DF LOOP MILD 12.47GY/7.2 KV 1PH 240/120V167KVA DF LOOP MILD 12.47GY/7.2 KV 1PH 240/120V25KVA DF LOOP MILD 22.86GY/13.2 KV 1PH 240/120V50KVA DF LOOP MILD 22.86GY/13.2 KV 1PH 240/120V75KVA DF LOOP MILD 22.86GY/13.2 KV 1 PH 240/120V100KVA DF LOOP MILD 22.86GY/13.2 KV 1PH 240/120V167KVA DF LOOP MILD 22.86GY/13.2 KV 1PH 240/120V250KVA DF LOOP MILD 22.86GY/13.2 KV 1PH 240/120V25KVA DF LOOP MILD 12.47GY/7.2 X 22.86GY/13.2KV 1PH 240/120V50KVA DF LOOP MILD 12.47GY/7.2 X 22.86GY/13.2KV 1PH 240/120V100KVA DF LOOP MILD 12.47GY/7.2 X 22.86GY/13.2KV 1PH 240/120V167KVA DF LOOP MILD 12.47GY/7.2 X 22.86GY/13.2KV 1PH 240/120V250KVA DF LOOP MILD 12.47GY/7.2 X 22.86GY/13.2KV 1PH 240/120V50KVA DF LOOP MILD 12.47GY/7.2 X 22.86GY/13.2KV 1PH 480/240V100KVA DF LOOP MILD 12.47GY/7.2 X 22.86GY/13.2KV 1PH 480/240V25KVA DF LOOP 300 34.5GY/19.92 KV 1PH 240/120V50KVA DF LOOP 300 34.5GY/19.92 KV 1PH 240/120V100KVA DF LOOP 300 34.5GY/19.92 KV 1PH 240/120V25KVA DF LOOP 300 12.47GY/7.2 X 22.86GY/13.2KV 1PH 240/120V50KVA DF LOOP 300 12.47GY/7.2 X 22.86GY/13.2KV 1PH 240/120V100KVA DF LOOP 300 12.47GY/7.2 X 22.86GY/13.2KV 1PH 240/120V167KVA DF LOOP 300 12.47GY/7.2 X 22.86GY/13.2KV 1PH 240/120V250KVA DF LOOP 300 12.47GY/7.2 X 22.86GY/13.2KV 1PH 240/120V50KVA DF LOOP 300 12.47GY/7.2 KV 1PH 240/120V100KVA DF LOOP 300 12.47GY/7.2 KV 1PH 240/120V167KVA DF LOOP 300 12.47GY/7.2 KV 1PH 240/120V50KVA DF LOOP 300 22.86GY/13.2 KV 1PH 240/120V100KVA DF LOOP 300 22.86GY/13.2 KV 1PH 240/120V167KVA DF LOOP 300 22.86GY/13.2 KV 1PH 240/120V

CATALOG COMPATIBLE

DWG.

27.00-08B6/23/10 SIMMONS GUINN ELKINS

PAD-MOUNTED TRANSFORMER COMPATIBLE UNITS

THREE-PHASER

0

1


2

3

12955605129557041295580312955902129559101295800512958104129582031295830212958401129585001295280012953014

9220126005129506061295070512950804129509031295100012970109129520081295210712952206129523051295240412952503129526021295270112952719

92200668159220125190922012518792201252111295180212951901129465051294660412946703129468021294690112948907129488081294870912948600129485011294840212952909

9220127645922020847092202084749220208462922020847692201804279220180430922018043392201804369220180428922018043192201804349220180413922020846792202084729220208473

TU75DLM23YBCTU150DLM23YBCTU300DLM23YBCTU500DLM23YBCTU750DLM23YBCTU75DLM23YFCTU150DLM23YFCTU300DLM23YFCTU500DLM23YFCTU750DLM23YFCTU1000DLM23YFCTU1500DLM23YFCTU2500DLM23YFCTU3750DLM23YFCTU75DLM14DYBCTU150DLM14DYBCTU300DLM14DYBCTU500DLM14DYBCTU750DLM14DYBCTU1000DLM14DYBCTU75DLM14DYFCTU150DLM14DYFCTU300DLM14DYFCTU500DLM14DYFCTU750DLM14DYFCTU1000DLM14DYFCTU1500DLM14DYFCTU2500DLM14DYFCTU2500DLM14DYJCTU150DL335YBCTU500DL335YBCTU150DL335YFCTU500DL335YFCTU75MP3M23YBCTU150MP3M23YBCTU75DL314DYBCTU150DL314DYBCTU300DL314DYBCTU500DL314DYBCTU750DL314DYBCTU75DL314DYFCTU150DL314DYFCTU300DL314DYFCTU500DL314DYFCTU750DL314DYFCTU1000DL314DYFCTU1500DL314DYFCTU75MP3M12YBC

TU1500DLM23DDFCTU2500DLM23DDFCTU3750DLM23DDFCTU2500DLM23DDJC

TU75DLM12YBCTU150DLM12YBCTU300DLM12YBCTU500DLM12YBCTU75DLM12YFCTU150DLM12YFCTU300DLM12YFCTU500DLM12YFCTU1500DLM12YFCTU2500DLM12YFCTU2500DLM12YJC

75KVA DF LOOP MILD 22.86GY/13.2 KV WYE 208Y/120V150KVA DF LOOP MILD 22.86GY/13.2 KV WYE 208Y/120V300KVA DF LOOP MILD 22.86GY/13.2 KV WYE 208Y/120V500KVA DF LOOP MILD 22.86GY/13.2 KV WYE 208Y/120V750KVA DF LOOP MILD 22.86GY/13.2 KV WYE 208Y/120V75KVA DF LOOP MILD 22.86GY/13.2 KV WYE 480Y/277V150KVA DF LOOP MILD 22.86GY/13.2 KV WYE 480Y/277V300KVA DF LOOP MILD 22.86GY/13.2 KV WYE 480Y/277V500KVA DF LOOP MILD 22.86GY/13.2 KV WYE 480Y/277V750KVA DF LOOP MILD 22.86GY/13.2 KV WYE 480Y/277V1000KVA DF LOOP MILD 22.86GY/13.2 KV WYE 480Y/277V1500KVA DF LOOP MILD 22.86GY/13.2 KV WYE 480Y/277V2500KVA DF LOOP MILD 22.86GY/13.2 KV WYE 480Y/277V3750KVA DF LOOP MILD 22.86GY/13.2 KV WYE 480Y/277V75KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 208Y/120V150KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 208Y/120V300KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 208Y/120V500KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 208Y/120V750KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 208Y/120V1000KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 208Y/120V75KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 480Y/277V150KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 480Y/277V300KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 480Y/277V500KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 480Y/277V750KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 480Y/277V1000KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 480Y/277V1500KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 480Y/277V2500KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 480Y/277V2500KVA DF LOOP MILD 14.4/24.94Y/14.4 KV DY 4160Y/2400V150KVA DF LOOP 300 34.5GY/19.92 KV WYE 208Y/120V500KVA DF LOOP 300 34.5GY/19.92 KV WYE 208Y/120V150KVA DF LOOP 300 34.5GY/19.92 KV WYE 480Y/277V500KVA DF LOOP 300 34.5GY/19.92 KV WYE 480Y/277V75KVA MINIPAD 3PH MILD 22.86GY/13.2 KV WYE 208Y/120V150KVA MINIPAD 3PH MILD 22.86GY/13.2 KV WYE 208Y/120V75KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 208Y/120V150KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 208Y/120V300KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 208Y/120V500KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 208Y/120V750KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 208Y/120V75KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 480Y/277V150KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 480Y/277V300KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 480Y/277V500KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 480Y/277V750KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 480Y/277V1000KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 480Y/277V1500KVA DF LOOP 300 14.4/24.94Y/14.4 KV DY 480Y/277V75KVA MINIPAD 3PH MILD 12.47GY/7.2 KV WYE 208Y/120V1500KVA DF LOOP MILD22.86KV DELTA 480Y/277V2500KVA DF LOOP MILD22.86KV DELTA 480Y/277V3750KVA DF LOOP MILD22.86KV DELTA 480Y/277V2500KVA DF LOOP MILD22.86KV DELTA 4160Y/2400V75KVA DF LOOP MILD 12.47GY/7.2 KV WYE 208Y/120V150KVA DF LOOP MILD 12.47GY/7.2 KV WYE 208Y/120V300KVA DF LOOP MILD 12.47GY/7.2 KV WYE 208Y/120V500KVA DF LOOP MILD 12.47GY/7.2 KV WYE 208Y/120V75KVA DF LOOP MILD 12.47GY/7.2 KV WYE 480Y/277V150KVA DF LOOP MILD 12.47GY/7.2 KV WYE 480Y/277V300KVA DF LOOP MILD 12.47GY/7.2 KV WYE 480Y/277V500KVA DF LOOP MILD 12.47GY/7.2 KV WYE 480Y/277V1500KVA DF LOOP MILD 12.47GY/7.2 KV WYE 480Y/277V2500KVA DF LOOP MILD 12.47GY/7.2 KV WYE 480Y/277V2500KVA DF LOOP MILD 12.47GY/7.2 KV WYE 4160Y/2400V

THREE-PHASE UNITS

NUMBER UNITDESCRIPTION

CATALOG COMPATIBLE

1456

1645

100

167

167

100

100

100

100

75

75

50

50

50

25

25

SIZE

25

25

IN KVATOTAL WEIGHT

(POUNDS)

12470GRDY/7200

22860GRDY/13200

12470GRDY/7200 X 22860GRDY/13200

34500GRDY/19920

12470GRDY/7200

12470GRDY/7200 X 22860GRDY/13200

22860GRDY/13200

1104

1148

1270

1237

757

873

957

1027

HV

APPROXIMATE WEIGHT IN POUNDS

167

2297

NOTES:

1. LISTED WEIGHTS AND GALLONS OF OIL ARE TYPICAL FOR UNITS PRESENTLY BEING PURCHASED. OLDER UNITS MAY BE HEAVIER AND/OR HAVE MORE OIL.

SINGLE-PHASE PAD-MOUNTED TRANSFORMER

WEIGHTS AND OIL CAPACITIES

22860GRDY/13200

12470GRDY/7200 X 22860GRDY/13200

12470GRDY/7200

12470GRDY/7200

22860GRDY/13200

12470GRDY/7200 X 22860GRDY/13200

12470GRDY/7200 X 22860GRDY/13200

12470GRDY/7200

22860GRDY/13200

12470GRDY/7200 X 22860GRDY/13200

34500GRDY/19920

673

605

846

854

991

924

1609

0

3

2

1

APPR.REVISED BY CK'D 27.00-12A

DEFDEP

X

DEMDEC


240/120

240/120

240/120

240/120

240/120

480/240

240/120

LV

240/120

240/120

240/120

240/120

240/120

240/120

480/240

240/120

240/120

240/120

240/120

OIL CAPACITY(GALLONS)

72

75

46

47

65

53

39

45

49.5

48.4

90

34.2

27

50.1

43.4

52.3

38

69

50 97334500GRDY/19920 240/120 46.5

2399

250 22860GRDY/13200 240/120 105

250 12470GRDY/7200 X 22860GRDY/13200 240/120 106

1695

50

5310

6676

500

500

500

500

300

300

300

300

300

300

150

150

150

150

150

SIZE

150

75

IN KVATOTAL WEIGHT

(POUNDS)

12470GRDY/7200

12470GRDY/7200

22860GRDY/13200

14400/24940GRDY/14400

34500GRDY/19920

12470GRDY/7200

14400/24940GRDY/14400

4370

4153

5795

5180

3737

3226

3328

4807

HV

APPROXIMATE WEIGHT IN POUNDS

500

5349

NOTES:

1. LISTED WEIGHTS AND GALLONS OF OIL ARE TYPICAL FOR UNITS PRESENTLY BEING PURCHASED. OLDER UNITS MAY BE HEAVIER AND/OR HAVE MORE OIL.

2. TRANSFORMERS > 500 KVA WILL GENERALLY REQUIRE A CRANE FOR LIFTING. ALWAYS VERIFY LIFTINGCAPACITY VS. TRANSFORMER WEIGHT.

THREE-PHASE PAD-MOUNTED TRANSFORMER

WEIGHTS AND OIL CAPACITIES

12470GRDY/7200

22860GRDY/13200

22860GRDY/13200

12470GRDY/7200

22860GRDY/13200

14400/24940GRDY/14400

22860GRDY/13200

14400/24940GRDY/14400

34500GRDY/19920

12470GRDY/7200

12470GRDY/7200

2775

3296

3402

-

4701

5951

5425

0

3

2

1

APPR.REVISED BY CK'D 27.00-12B

DEFDEP

X

DEMDEC


208Y/120

208Y/120

208Y/120

208Y/120

208Y/120

208Y/120

208Y/120

LV

480Y/277

480Y/277

208Y/120

480Y/277

480Y/277

480Y/277

208Y/120

208Y/120

208Y/120

480Y/277

208Y/120

OIL CAPACITY(GALLONS)

205

336

222

211

341

197

240

181

201

250

222

174

192

199

-

256

356

256

150 384914400/24940GRDY/14400 480Y/277 247

4422

500 22860GRDY/13200 480Y/277 222

500 14400/24940GRDY/14400 480Y/277 234

5363

7830

7448

750

1000

1000

1000

750

750

750 7050

7324

6677

6783

1500

10023

22860GRDY/13200

14400/24940GRDY/14400

22860GRDY/13200

14400/24940GRDY/14400

22860GRDY/13200

14400/24940GRDY/14400

22860GRDY/13200

14400/24940GRDY/14400

7572

208Y/120

208Y/120

480Y/277

208Y/120

480Y/277

480Y/277

480Y/277

480Y/277

337

297

318

326

299

302

416

302

14213

1500 14400/24940GRDY/14400 480Y/277 407

2500 22860GRDY/13200 480Y/277 542

10058

6166500 34500GRDY/19920 480Y/277 308

2500

13925

14400/24940GRDY/14400 480Y/277 583

19441

2500 14400/24940GRDY/14400 4160Y/2400 569

3750 22860GRDY/13200 480Y/277 697

14712

75 2948208Y/120 198

75 3216208Y/120 222

75 12470GRDY/7200 2721480Y/277 171

75 22860GRDY/13200 2932480Y/277 198

75 14400/24940GRDY/14400 3087480Y/277 206

22860GRDY/13200

14400/24940GRDY/14400

150 34500GRDY/19920 6166480Y/277 308

THE HFIL (NOT DERATED BY 3) AND THE CONSTANT LOAD DUE TO FUSE PERFORMANCE.

3. HIGHLY FLUCTUATING INTERMITTENT LOADS (HFIL): TAKE THE SUM OF THE HFILS AND DIVIDE BY THREE

DEFINED BY THE ENGINEER.2. NOTE THAT TRANSFORMER LOADING IS GIVEN IN KVA. ADJUSTMENTS FOR POWER FACTOR NEED TO BE

TYPICALLY DROPS TO 75% OF THE MAXIMUM DURING ALL OTHER TIMES.DEMAND LASTS ON PEAK DAYS BASED ON DATA FROM LOAD RESEARCH STUDIES. THE CUSTOMER'S DEMAND

1. SELECT THE TYPE OF BUSINESS. THE CORRESPONDING DEMAND DURATION IS HOW LONG THE CUSTOMER'S

NOTES:

MAXIMUM KVA LOADING

DWG.

27.00-13

MAXIMUM TRANSFORMER LOADING (UG) R

6/29/10 GUINNSIMMONS ELKINS

SINGLE-PHASE RESIDENTIAL PAD-MOUNTED TRANSFORMERS

TRANSFORMERSIZE 130%

SUMMER WINTER160%

TRANSFORMERSIZE

SUMMER130%

WINTER160%

25

37.5

32

49

40

60

75

100

16750

97

130

21765

120

160

26780

PEAK DEMAND

(HOURS)DURATION

PEAK DEMAND

TYPES OF COMMERCIAL AND INDUSTRIAL BUSINESSES

TYPE OF BUSINESS TYPE OF BUSINESS

8

8

8

8

4

4

4

4

DURATION(HOURS)

4

HOSPITAL AND SPECIALCARE FACILITIES

INDUSTRIALSAND VAULTS

4 HOUR PEAK 8 HOUR PEAK

2,500

75

112

150

300

500

750

1,000

1,500

3,0003,000

150

2,500

1,000

1,500

300

500

750

75

112

2,500

1,500

1,000

750

500

300

75

112

150

3,0004,200

3,500

210

156

105

420

700

1,050

1,400

2,100

3,600

180

3,000

1,800

1,200

600

900

360

134

90

3,0904,500

225

2,250

3,750

1,500

1,125

750

450

122

172

155

1,545

1,030

2,575

773

515

309

115

77

4,248

215

3,540

2,125

1,420

710

425

1,060

157

105

TRANSFORMER

BANK SIZE

SIZE

OR

SUMMER100%

SUMMER100%

SUMMER140%

WINTER140%

WINTER SUMMERWINTER WINTER

SINGLE-PHASE COMMERCIAL PAD-MOUNTED TRANSFORMERS

TRANSFORMER

50

37.5

25

SIZE

50

SUMMER (100%)

25

37.5

WINTER (140%)TRANSFORMER

70

35

52

WINTER (140%)

167

250

75

100

SIZE SUMMER (100%)

75

233

350

105

140

THREE-PHASE UNDERGROUND TRANSFORMERS

0

3

2

1


167

250

100

4,200

3,500

210

156

105

420

700

1,050

1,400

2,100

250 325 350

3,7503,750 3,7504,500 4,500 3,8625,625 5,3124,500

FAST FOOD

SUPERMARKETS

LARGE & SMALL RETAIL STORES

LARGE OFFICE BUILDINGSRESTAURANTS

HOTELS

SCHOOLS

SMALL OFFICE BUILDINGS

CONVENIENCE STORES

( HFIL/3), AND ADD TO THE CONSTANT LOAD. FUSE CURVES NEED TO BE CHECKED BY USING THE SUM OF

BUSHING WELL BUSHING INSERT

NOTES:

1. ALL PAD-MOUNTED TRANSFORMERS MANUFACTURED AFTER 1983 COME EQUIPPED WITH REPLACEABLE STUD

2. BROKEN BUSHING WELL STUDS SHOULD BE REPLACED IN THE FIELD WHEN POSSIBLE.

3. HEX-SPANNER NUT FOR CENTRAL MALONEY OR ABB MUST NOW BE ORDERED SEPARATELY FROM THE STUDS.

5. TO REPLACE BROKEN STUDS:

A. IDENTIFY WHICH TYPE OF STUD IS TO BE REPLACED.B. USE CORRECT WRENCH OR NUT FOR APPROPRIATE STUD TO REMOVE BROKEN STUD.C. INSERT APPROPRIATE END OF REPLACEMENT STUD INTO BUSHING WELL.D. TIGHTEN REPLACEMENT STUD UNTIL SEATED (APPROXIMATELY 15 FT-LBS).

DWG.


FRONT VIEW

REPLACEMENT STUDS

HEX SPANNER NUT

HEX-SPANNER NUT

ELASTIMOLD TYPE

SIDE VIEW SIDE VIEW

REPLACEMENT STUD HEX-ALLEN WRENCH

BUSHING WELLS.

REPLACEMENT STUDS - 200 AMP BUSHING WELLS

CN 10332807

R

0

3

2

1


FRONT VIEWCN 9220201402

(USE WITH 15/16" SHALLOW WELL SOCKET)

NOTE: MUST BE ORDERED SEPARATE.

REPLACEMENT STUD ABB

STUD SIZE 3/8 X 3/8CN 10333201

(2009 AND BEFORE)REPLACEMENT STUD CENTRAL MALONEY AND ABB

(MANUFACTURED IN 2010 OR LATER)STUD SIZE 7/16 X 3/8

CN 10332906

4. HEX-ALLEN WRENCH FOR ELASTIMOLD IS INCLUDED WITH EACH REPLACEMENT STUD.

NOTES:

3. THE ABOVE LETTERS AND NUMBERS ARE BLACK ON A YELLOW BACKGROUND.

4. SURFACES SHOULD BE CLEAN AND DRY BEFORE INSTALLING DECALS.

5. DECALS CAN BE INSTALLED IN TAG HOLDERS OR APPLIED DIRECTLY TO PRIMARY OR SECONDARY CABLES.

1. DWG. 02.02-20 SHOWS POLE NUMBERS AND FUSE SIZE LABELS.

2. DWGS. 20.01-01B, 25.01-01 AND 28.00-03 SHOW PAD-MOUNTED LABELING.

DWG.


LOCID LABELING MATERIALS

A

B

C

D

E

F

G

H

J

K

L

M

V

Z

Y

X

W

T

U

S

R

Q

P

N

21135801

21136601

21137302

21137203

21137104

21137005

21136908

21136809

21136700

21136502

21136403

21136304

21136205

21136106

21136007

21135900

21135009

21135702

21135603

21135504

21135405

21135306

21135207

21135108

LETTERS ACCESSORIES

30011308

10014801

21153606

30837405

NAILS 1.5"

TAG HOLDER - AL

BANDING - AL

TAPE, TWO-SIDED

NUMBERS

0

1

2

3

4

5

6

7

8

21138201

21137401

21137500

21137609

21137708

21137807

21138003

21138102

9

21137906

21137906

MISCELLANEOUS

PEC

LOCID NO.

21138300

21134606

STICK-ON DECALS - 1.5" H X 1" W

*NO LETTER "O" OR "I" IS AVAILABLE IN THE LOCID NUMBERING SYSTEM.

RR

0

2

1


3

6/23/10 SIMMONS GUINN ELKINS

27.00-22DWG.

IDLE TRANSFORMERS R

0

1


2

3

DEFINITION:

AN IDLE TRANSFORMER IS A TRANSFORMER THAT IS INSTALLED ON THE DISTRIBUTION SYSTEM BUT IS SERVINGNO USEFUL PURPOSE. THERE IS NO CUSTOMER BEING SERVED, NO LIGHTS, NO TRAFFIC SIGNALS. THERE IS ALSONO REASONABLE POTENTIAL FOR SERVING A CUSTOMER IN THE FUTURE. A TRANSFORMER INSTALLED IN A NEW UNDERGROUND DEVELOPMENT THAT IS SERVING NO CUSTOMERS BUT WILL IN THE FUTURE IS NOT CONSIDERED IDLE BECAUSE IT WILL BE SERVING CUSTOMERS IN THE NEAR FUTURE.

EXAMPLES ARE AS FOLLOWS:

1. A TRANSFORMER THAT WAS USED FOR TEMPORARY CONSTRUCTION SERVICE IS IDLE AFTER THECONSTRUCTION IS COMPLETED AND THE TRANSFORMER IS NO LONGER NEEDED FOR CONSTRUCTION SERVICE.

2. A TRANSFORMER THAT SERVED A RESIDENTIAL CUSTOMER IS IDLE IF THE HOME IS NO LONGER OCCUPIEDAND THERE IS NO PROSPECT OF SERVING A CUSTOMER AT THE SAME LOCATION.

3. A TRANSFORMER BANK THAT SERVED A COMMERCIAL/INDUSTRIAL CUSTOMER IS IDLE IF THE CUSTOMERIS NO LONGER IN BUSINESS AND THE TRANSFORMER BANK IS NOT NEEDED FOR A POTENTIAL NEWCUSTOMER AT THE SAME LOCATION.

ISSUES WITH IDLE TRANSFORMERS:

THERE ARE SEVERAL REASONS WHY IDLE TRANSFORMERS SHOULD BE REMOVED FROM THE SYSTEM. ONE THATIS LEFT ENERGIZED EXPERIENCES "NO-LOAD" CORE LOSSES EVEN WHEN IDLE. THESE ARE ANNUAL LOSSES. A25 KVA TRANSFORMER IS ESTIMATED TO HAVE $35 OF ANNUAL CORE LOSSES. A 167 KVA TRANSFORMER ISESTIMATED TO HAVE $200 OF ANNUAL CORE LOSSES. A TRANSFORMER THAT IS IDLE IS A POTENTIAL FORVANDALISM, RESULTING IN AN ENVIRONMENTAL ISSUE, AN OIL SPILL. THERE HAVE BEEN A NUMBER OF SPILLSDUE TO VANDALISM OF IDLE TRANSFORMERS AND SOME OF THESE REQUIRED SIGNIFICANT COSTS FOR CLEANUP.

A TRANSFORMER THAT IS IDLE IS A POTENTIAL HAZARD FOR CRIMINALS WHO WOULD ATTEMPT TO VANDALIZETHE UNITS TO STEAL COPPER. THEY WILL TAKE EXTRAORDINARY RISKS WITH NO REGARD FOR THEIR OWNSAFETY OR PROPERTY OF OTHERS.

TRANSFORMER COSTS HAVE INCREASED SUBSTANTIALLY SINCE 2004 DUE TO THE RISING COSTS OF RAWMATERIALS: COPPER, CORE STEEL, MINERAL OIL. COSTS WILL INCREASE AGAIN SIGNIFICANTLY IN JANUARY, 2010AS NEW DEPARTMENT OF ENERGY (DOE) EFFICIENCY REQUIREMENTS ARE IMPLEMENTED. IT IS A SIGNIFICANTFINANCIAL BENEFIT TO THE COMPANY TO REMOVE AND RE-USE IDLE TRANSFORMERS VERSUS BUYING NEW ONES AT SIGNIFICANTLY HIGHER PRICES. ONES THAT HAVE BEEN REMOVED AND RE-USED DO NOT HAVE TO MEET THEMORE STRINGENT EFFICIENCY REQUIREMENTS OF DOE.

PROCEDURE:

ANY TRANSFORMER THAT IS IDLE BUT LEFT ON THE POLE SHALL BE DE-ENERGIZED TO SAVE ANNUAL CORELOSSES. TRANSFORMERS WITH NO CUTOUTS (CSP) SHALL HAVE THE HOT LINE CLAMP REMOVED FROM THEPRIMARY AND GROUNDED TO THE SYSTEM NEUTRAL. TRANSFORMERS WITH CUTOUTS MAY BE DE-ENERGIZEDBY OPENING THE CUTOUT AND REMOVING THE CUTOUT BARREL.

WHEN A TRANSFORMER HAS BEEN DE-ENERGIZED, ASSET ENGINEERING SHALL BE NOTIFIED. ASSETENGINEERING WILL EVALUATE AND DETERMINE IF THE TRANSFORMER SHOULD BE REMOVED AND IF SO, PREPARE A WORK ORDER TO REMOVE. ASSOCIATED EQUIPMENT (CUTOUTS, ARRESTERS, SERVICE CONDUCTORS,ETC.) SHOULD BE REMOVED AT THE SAME TIME THE TRANSFORMER IS REMOVED.

FOR TRANSFORMER BANKS SERVING COMMERCIAL OR INDUSTRIAL CUSTOMERS, CONTACT WITH ACCOUNTMANAGERS WILL BE REQUIRED TO DETERMINE IF THERE IS POTENTIAL FOR FUTURE CUSTOMERS OCCUPYING AVACANT FACILITY.

TRANSFORMERS THAT HAVE BEEN REMOVED SHALL BE PLACED IN STOCK AT THE LOCAL STOREROOM, IF THETRANSFORMER IS IN GOOD CONDITION AND IS NON-PCB. IF NOT IN GOOD CONDITION, OR THE PCB CONTENTIS UNKNOWN, THE TRANSFORMER SHALL BE RETURNED TO THE GARNER TRANSFORMER SHOP WHERE IT WILL BE EVALUATED, REPAIRED, REPAINTED AND RETURNED TO STOCK, IF POSSIBLE.

IDLE TRANSFORMERS

PROGRESS ENERGY STANDARD PROCEDURES BULLETIN

LOOP DRAIN WIRESOLDERED TO GROUND

#4 SD BC GROUND LOOP

5/8" COUPLING

5/8" GND. ROD CLAMP

DEEP DRIVEN

GND. WIRE MUST BEINSTALLED ON OPPOSITESIDE FROM SET SCREW

SECTIONAL ROD

GROUNDING DETAILS FOR SINGLE-PHASE

LOW-PROFILE PAD-MOUNTED TRANSFORMERS

DETAIL "A" DETAIL "B"

CN 160123

5/8" X 5'GND. RODCN 9220192319

CN 160182CN 060136

CN 9220069244

SEE DETAIL "A"

SEE DETAIL "B"

BONDING PADSEE DETAIL "C"

ACCEPTS 1/2" X 13BONDING PAD

PAD

DETAIL "C"

CONNECTOR (PROVIDED

PMT

SILL

H1A

H1B

0

2

1


3

BRAID, OR CONCENTRIC

BY OTHER UTILITY)

DETAIL "D"

BAIL-TABEYE

GROUNDINGPAD

INSERT

BUSHINGCLAMP

NEUTRAL WIRE IF USINGCN CABLE, THROUGH

#4 CONNECTORCN 162204

ENSURE GROUNDLOOP IS BONDEDTO TANK AT THESE

NOTES:

EQUIPMENT GROUNDING AND BONDING.1. SEE DWG. 20.00-06B FOR ADDITIONAL INFORMATION ON

METAL

METALLIC BUSHING CLAMP

MAKE SURE BUSHING INSERT IS BONDED TOMETAL. SEE DETAILS"D" AND "E"

DETAIL "E"PLASTIC BUSHING CLAMP

THREE LOCATIONS

BOND INSERT TOMOUNTING STUD WHENBUSHING FLANGE ISPLASTIC

GROUNDING EYE ONELBOW

12/17/14 ADCOCKEANES FLETCHER

27.01-03

DEF

X

DEPDEC DEM

X

GROUND BRAIDS

#4 BC SD GROUND LOOP

H X0

X1 X3

X2

NOTES:

12/17/14 EANES FLETCHER ADCOCK

GROUND DETAILS FOR THREE-PHASE

LOOP FEED TRANSFORMERS

1. THE DRAWING ABOVE SHOWS A H0-X0 GROUNDING BUSHING. SOME DESIGNS HAVE SEPARATE H0 AND X0 GROUNDING BUSHINGS.

2. GROUND WIRE IS TO BE BONDED TO TANK GROUND PADS IN BOTH COMPARTMENTS THROUGH THE GROUNDSTRAP AT THE H0 AND X0 BUSHINGS, AND TO THE PRIMARY CONCENTRIC NEUTRAL WITH A COPPER CONNECTOR.

3. FOR TRANSFORMERS WITH A SEPARATE H0 AND X0 BUSHING USED TO PROVIDE 480Y 3 WIRE SERVICES, THEGROUNDING STRAP SHOULD BE REMOVED FROM THE X0 BUSHING. DO NOT REMOVE THE GROUNDING STRAP

#4 BC SDGROUND LOOP

ON THE H0 BUSHING.

BONDING PADACCEPTS 1/2"-13CONNECTOR (PROVIDEDBY OTHER UTILITY)

0

3

2

1


DETAIL "A"

BAIL-TABEYE

GROUNDINGPAD

INSERT

BUSHINGCLAMP

METAL

METALLIC BUSHING CLAMPDETAIL "B"

PLASTIC BUSHING CLAMP

BOND INSERT TOMOUNTING STUD WHENBUSHING FLANGE ISPLASTIC

4. SEE DWG. 20.00-06B FOR ADDITIONAL INFORMATION ON EQUIPMENT GROUNDING AND

MAKE SURE BUSHING INSERT IS BONDED TOMETAL. SEE DETAILS"A" AND "B"

27.01-04

DEF

X

DEP

X

DEMDEC

BONDING.

0

DEP CN 11061108DEF CN 9220069244

SECONDARY SERVICES.5. SEE DWGS. 27.06-16 THROUGH 27.06-28 FOR THE GROUNDING REQUIRED ON 3-WIRE

LOOP DRAIN WIRESOLDERED TO GROUNDBRAID, OR CONCENTRICNEUTRAL WIRE IF USINGCN CABLE, THROUGHGROUNDING EYE ONELBOW

#4 BC SD

GROUND BRAIDS

SINGLE-PHASE PMTS - GENERAL

DWG.

27.02-06

GENERAL DESIGN:

LIVE FRONT TRANSFORMERS ARE OBSOLETE. WHENEVER THESE TRANSFORMERS ARE REMOVED THEY SHOULD BESCRAPPED. ALL NEW TRANSFORMERS ARE DEAD FRONT WITH TWO PRIMARY BUSHING WELLS.

PRIMARY VOLTAGES:

A 13,200 VOLT PRIMARY RATING IS AVAILABLE FOR INSTALLATION ON 25KV SYSTEMS. A 7200 VOLT PRIMARY

SECONDARY VOLTAGES:

120/240 VOLT 3 WIRE SERVICE IS AVAILABLE. A LIMITED SUPPLY OF 240/480 VOLT TRANSFORMERS ARE

KVA RATINGS:

STANDARD KVA RATINGS ARE 25, 50, 75, 100, AND 167 KVA. A 250 KVA IS AVAILABLE FOR OVERLOADED167 KVA UNITS, BUT SHOULD NOT BE USED FOR INITIAL DESIGN. 50 KVA AND 100 KVA ARE AVAILABLE AT

FUSE PROTECTION:

ALL NEW TRANSFORMERS ARE PROTECTED WITH BAYONET FUSES AND INTERNAL WEAK LINKS ON THE PRIMARY SIDE. UNTIL 1996, TRANSFORMERS FROM 25 TO 100 KVA WERE PROTECTED WITH CSP SECONDARY BREAKERS AND INTERNAL WEAK LINKS. THESE CSP TRANSFORMERS WILL CONTINUE TO BE RECYCLED ANDREUSED UNDER THE SAME CATALOG NUMBERS AS NEW TRANSFORMERS WITH BAYONET FUSING.

RATING IS AVAILABLE FOR INSTALLATION ON A 12kV SYSTEM. 19,920 VOLT RATING IS AVAILABLE FOR MOREHEADCITY OPERATIONS AREA ONLY.


STANDARD SINGLE-PHASEPAD-MOUNTED TRANSFORMERSAND SINGLE-PHASE FUSE TABLE

TRANSFORMER SIZE, KVA

SINGLE-PHASE FUSE TABLE

TRANSFORMER VOLTAGE RATING

13,200 VOLTS7200 VOLTS

FUSE LINK SIZE FUSE LINK SIZE

AMPS CN AMPS CN

25

50

75

100

167

250

40B

65B

25B

15B

6B

21143607

21143706

21124300

21142906

25B

40B

15B

8B

3B

21143607

21124300

21124508

21123906

R

AMPS

21123906

21124508

21124102

8B

-

-

5B

3B

CN

FUSE LINK SIZE

19,920 VOLTS

-

-

0

3

2

1


12B 21124201 - -

37.5 12B 21124201 6B 21142906 - -

21124607

25B 21124300

21124607

AVAILABLE.

240/480 VOLTS.

DWG.

27.02-08

THREE-PHASE LOOP-FEED PAD-MOUNTED TRANSFORMERS

NEW TRANSFORMERS WITH DELTA-WYE RECONNECTABLE PRIMARY AND THOSE RATED 1000KVA AND ABOVE HAVE A 200 AMP OPEN-CLOSE OIL SWITCH LOCATED IN THE HIGH VOLTAGE COMPARTMENT.

FUSES IN LOOP FEED DELTA-WYE TRANSFORMERS WILL BE SIZED FOR THE DELTA CONNECTION (12KV) WHEN SHIPPED FROM THEGENERAL WAREHOUSE. FUTURE CONNECTIONS TO GROUNDED WYE (23KV) WILL REQUIRE FUSE REPLACEMENT.

DELTA-WYE TRANSFORMERS CAN BE USED AT 12 OR 23 KV AND WILL BE SHIPPED FROM THE GENERAL WAREHOUSE IN THE DELTA CONNECTION (12KV). FUTURE CONNECTION TO GROUNDED WYE (23KV) MUST BE DONE IN THE FIELD BY CHANGING CONNECTIONS ON THE DELTA-WYE SWITCH (OR TERMINAL BOARD ACCESSIBLE BY WAY OF HANDHOLE), ACCORDING TO THE INSTRUCTIONS SHOWN ON THE TRANSFORMER NAMEPLATE. ADDITIONALLY, BAY-O-NET FUSES SHOULD BE CHANGED TO SIZE SPECIFIED FOR 23KV.

DELTA-CONNECTED TRANSFORMERS SHOULD BE ENERGIZED (OR DE-ENERGIZED) USING THE THREE-PHASE (OPEN-CLOSE) OILSWITCH LOCATED INSIDE THE HIGH VOLTAGE COMPARTMENT (OR OTHER THREE-PHASE SWITCHING) TO PREVENT FERRORESONANT OVERVOLTAGES. THIS SWITCH IS RATED FOR 200 AMP LOADBREAKS.

AND 34,500GRDY/19,920 TRANSFORMERS AND ON DELTA-WYE UNITS. DELTA TAP SETTINGS ARE 14,400,13,500, 13,200, 12,470 AND 12,210 VOLTS. WYE TAP SETTINGS ARE 24,940, 23,380, 22,860, 21,600 AND 21,150 VOLTS.

225 KVA UNITS IN SERVICE THAT ARE NO LONGER PURCHASED.

FUSING: TRANSFORMERS ARE PROTECTED ON THE PRIMARY SIDE WITH BAY-O-NET FUSING AND INTERNAL WEAK LINKS. BAY-O-NET

PRIMARY VOLTAGES: STANDARD PRIMARY VOLTAGES ARE 12,470Y/7200 VOLTS (IN SIZES UP TO 2500KVA) 22,860Y/13,200 VOLTS

VOLTAGE TAP SETTINGS: TWO TAPS, ABOVE AND BELOW AT 2.5% ARE AVAILABLE ON ALL NEW 12,470GRDY/7200, 22,860GRDY/13,200

KVA RATINGS: STANDARD KVA RATINGS ARE 75, 150, 300, 500, 750, 1000, 1500, 2500 AND 3750 KVA. THERE ARE OLDER 112 AND

SECONDARY VOLTAGES: STANDARD 208Y/120 VOLT SECONDARY VOLTAGES ARE AVAILABLE IN SIZES UP TO 750 KVA (A 1000 KVA

GENERAL DESIGN: LOOP FEED TRANSFORMERS HAVE A DEAD-FRONT PRIMARY COMPARTMENT WITH SIX BUSHING WELLS. IN ADDITION,

(IN SIZES UP TO 3750 KVA) AND14,400 DELTA/24,940Y/14,400 (DELTA-WYE PRIMARY IN SIZES UP TO 2500 KVA). 34,500GRDY/19,920 VOLT TRANSFORMERS ARE AVAILABLE BY SPECIAL ORDER FOR EASTERN REGION ONLY.


STANDARD THREE-PHASEPAD-MOUNTED TRANSFORMERS

AND BAY-O-NET FUSE TABLE

NOTES:

1. DIP POLE FUSES MUST BE EQUAL TO OR LARGER THAN BAY-O-NET FUSE SIZES SHOWN ABOVE.

0


1

2

DELTA-WYE TRANSFORMERS: DELTA-WYE TRANSFORMERS SHOULD ONLY BE USED WHERE A CONVERSION IS PLANNED WITHIN THE NEXT THREE YEARS OR WHERE THERE IS NO SINGLE RATED PRIMARY AVAILABLE IN THE REQUIRED SIZE. SINGLE RATED PRIMARYTRANSFORMERS SHOULD BE USED OTHERWISE.

UNIT IS AVAILABLE FOR OVERLOADS) FOR USE ON 12,470GRDY/7200 OR 22,860GRDY/13,200 VOLT SYSTEMS. THE 208Y/120 VOLT SECONDARY IS AVAILABLE IN 75 AND 150KVA SIZES FOR USE ON A 34,500GRDY/19,920 VOLT SYSTEM. 480Y/277 VOLT SECONDARY IS AVAILABLE IN SIZES UP TO A 3750KVA FOR 22,860GRDY/13,200 VOLT SYSTEMS, 2500 KVA FOR 12470GRDY/7200 VOLT SYSTEMSAND 500KVA FOR 34,500GRDY/19,920 VOLT SYSTEMS. 4160Y/2400 VOLT SECONDARY IS AVAILABLE IN 2500KVA FOR USE ON EITHERA 12470GRDY/7200 OR 22,860GRDY/13,200 VOLT SYSTEM.

2. DIP POLE FUSING RECOMMENDATIONS BASED ON SINGLE TRANSFORMER OF INDICATED SIZE. FOR MULTIPLE UNITS ON RADIALFEED, CONSULT WITH REGION RELIABILITY AND PROTECTION ENGINEER FOR DIP POLE FUSING.

3. THE SHORTING BAR IS NOTHING MORE THAN A SOLID COPPER LINK WITH AN ISOLATION LINK CONNECTED IN SERIES. THE DIP POLEOR PAD-MOUNTED SWITCHGEAR FUSES ARE PROTECTING THE TRANSFORMER. IT IS RECOMMENDED THAT MANUAL FAULT INDICATORSBE USED ON THE TRANSFORMER PRIMARY SOURCE-SIDE CABLES WITH THESE UNITS TO ASSIST WITH IDENTIFYING ANY FUTURE

5. AS AN ALTERNATIVE, A 100E DIP POLE FUSE CAN BE USED IN THIS APPLICATION UPON APPROVAL FROM THE REGIONAL

7515030050075010001500

2500

751503005007501000150025003750150500

615254065100100

(SEE NOTES 3,4)

581525404065

100 (SEE NOTE 4)125 (SEE NOTE 6)

515

211429062112460721124300211436072114370621143508

9220176434

9220176433

21124102211245082112460721124300211436072114360721143706

922017643492201764362112410221124607

20K30K50K65K100K65KS65KS

100KS

20K20K40K50K

50KS50KS65KS

125E (SEE NOTE 5)125E25K25K

PRIMARYRATING (KV)

TRANSFORMERKVA

HV BAY-O-NETFUSE LINK

AMPERE RATING

CATALOGNUMBER

MINIMUM DIP POLE FUSE AMPERE RATING

12.4712.4712.4712.4712.4712.4712.47

12.47

22.8622.8622.8622.8622.8622.8622.8622.8622.8634.534.5

SHORTING BAR

BLOWN FUSES.

COORDINATION ENGINEER.

4. UNITS THAT CURRENTLY USE A 140 AMPERE RATED BAY-O-NET FUSE SHOULD BE REFUSED WITH THE SAME ( CN 21144407).

3

6. THE 125 AMP BAY-O-NET FUSE WILL NOT COORDINATE WITH THE 125E DIP POLE FUSE. THESE TRANSFORMERS SHOULD HAVEMANUAL FAULT INDICATORS PLACED ON THE TRANSFORMER PRIMARY SOURCE-SIDE CABLES TO ASSIST WITH IDENTIFYING ANYFUTURE TRANSFORMER FAILURES.

7. WHEN ONE FUSE BLOWS ON A DIP POLE THAT SERVES A THREE-PHASE TRANSFORMER OR BANK OF TRANSFORMERS, ALL FUSESSHALL BE REPLACED. THIS IS NECESSARY BECAUSE THE FAULT AND SINGLE-PHASING CAN CHANGE THE CHARACTERISTICS OF THEFUSES THAT DID NOT BLOW.



14"

6"

UNLOCKED POSITION

TRANSFORMER WALL

TANKWALL

BAY-O-NET FUSE HOLDERASSEMBLY IN LOCKED POSITION

ISOLATION LINK

INSIDETRANSFORMER

INNER FUSE CARTRIDGE HOLDER

FUSE ELEMENT

FUSE CARTRIDGE

SCREW-IN END PLUG

STEP 6

PROPERLY LATCHED IMPROPERLY LATCHED-1 IMPROPERLY LATCHED-2

NUT

TANK WALL

GASKET

DWG.

27.02-09

BAY-O-NET FUSE OPERATING INSTRUCTIONS

FUSE HOLDER ASSEMBLY

STEP 2

STEP 3 STEPS 4 & 5

R

6/29/10 GUINNSIMMONS ELKINS

STEP 1

(NOT SHOWN)RELIEF VALVEPULL PRESSURE

OUTERFUSETUBE

*

*

*

0

3

2

1


THE FUSE HOLDER ASSEMBLY(MINUS THE FUSE) CAN BE

CAM ACTIONFUSE HOLDERHANDLE

ORDERED AS CN 9220156356

THE FOLLOWING FUSES COMBINE THE ELEMENT AND CARTRIDGE AS ONE COMPONENT - DO NOT DISASSEMBLE.

140 AMP (CN 21144407), 100 AMP (CN 9220176434), 125 AMP (CN 9220176436) AND SHORTING BAR(CN 9220176433).

DWG.

27.02-10

NOTES FOR DWG. 27.02-09


BAY-O-NET FUSE OPERATING INSTRUCTIONS

STEP 1: USE APPROVED INSULATED STICK TO GENTLY PULL RING ON PRESSURE RELIEF VALVE TO RELEASEINTERNAL PRESSURE BEFORE UNLATCHING OR REMOVING BAY-O-NET FUSE.

STEP 2: ATTACH APPROVED INSULATED STICK (SHOTGUN) TO FUSE HANDLE. PULL FUSE HANDLE TO THEOPEN POSITION AND ROTATE FUSE ASSEMBLY 90 DEGREES. THIS WILL BREAK ANY ADHESION

MAY BE RELEASED.

STEP 3: PULL OUT THE FUSE HOLDER ABOUT SIX INCHES TO INTERRUPT THE LOAD. WAIT A FEW SECONDS

FOR THE OIL TO DRAIN INTO THE TANK. AVOID DRIPPING OIL ON CABLES: IT WILL DAMAGE THE

STEP 4: WIPE OFF THE HOLDER IN PREPARATION TO REMOVING THE FUSE CARTRIDGE. WHILE THERE IS NO

STEP 5: TO INSTALL NEW FUSE, BE SURE THE FORMED END-FERRULE OF THE FUSE IS SECURED IN PLACEBETWEEN THE FUSE CARTRIDGE AND THE HOLDER. TIGHTEN BEFORE THE END PLUG IS INSERTED.TIGHTEN THE END PLUG TO EXPAND THE SCALLOPED END-FERRULE. USE AN ADJUSTABLE WRENCH

STEP 6: USING AN APPROVED INSULATED STICK (SHOTGUN) REINSTALL FUSE ASSEMBLY INTO OUTER FUSETUBE TO A FULLY SEATED POSITION. PROPERLY LATCH THE FUSE ASSEMBLY IN THE LOCKEDPOSITION UNDER THE LIP OF THE OUTER FUSE TUBE AS SHOWN. IF THE ASSEMBLY IS NOT

NOTES:

2. TO RAISE OR LOWER THE PRIMARY TAP CHANGER (IF SO EQUIPPED), THE TRANSFORMER MUST BE

3. THE BAY-O-NET FUSE CAN BE A LOADBREAK DEVICE ON ALL PAD-MOUNT TRANSFORMERS. SEE NOTE 4

4. BAY-O-NET FUSES IN 2500 KVA AND 3750 KVA TRANSFORMERS AT 23 KV SHOULD BE OPERATED ASDESCRIBED ABOVE ONLY IF ONE OF THE FOLLOWING ACTIONS HAS BEEN TAKEN:

OPEN INTERNAL OIL SWITCH, IF SO EQUIPPEDHAVE CUSTOMER OPEN MAIN DISCONNECT TO DROP LOADSWITCH OUT TRANSFORMER

BETWEEN THE SEAL GASKET AND THE OUTER TUBE ASSEMBLY. SOME ADDITIONAL TANK PRESSURE

INSULATION. REMOVE THE FUSE ASSEMBLY.

TO TIGHTEN ALL CONNECTIONS. THE FUSE CARTRIDGE HOLDER ASSEMBLY IS READY FORREINSTALLING IN THE TRANSFORMER.

PROPERLY LATCHED, ARCING WILL OCCUR BETWEEN THE FUSE CONTACTS AND WILL EVENTUALLYCAUSE THE TRANSFORMER TO FAIL.

1. ALL THREE FUSE ELEMENTS IN A THREE-PHASE TRANSFORMER SHOULD BE REPLACED WHENENCOUNTERING ONE BLOWN FUSE ELEMENT.

DE-ENERGIZED. PRIOR TO CHANGING TAPS, ONE OF THE FOLLOWING MUST BE DONE:

OUTSIDE INDICATING DEVICE THAT SHOWS THE FUSE IS BLOWN, IT CAN BE CHECKED WITH ANOHM METER BEFORE REMOVING THE FUSE FROM THE FUSE CARTRIDGE. UNSCREW FUSE CARTRIDGE,REMOVE END PLUG AND INSPECT THE FUSE. TO REMOVE THE FUSELINK, STRAIGHTEN SCALLOPED END FERRULE AND PUSH THE FUSE LINK OUT OF THE FUSE HOLDER.

THE FUSE CARTRIDGE. THE ENTIRE FUSE CARTRIDGE MUST BE REPLACED ON THESE ITEMS.

0

3

2

1


IMPORTANT SAFETY AND ENVIRONMENTAL PRECAUTIONS

FOLLOW ALL SAFETY AND SWITCHING & TAGGING PROCEDURES

BAY-O-NET FUSES MUST BE OPERATED UNDER OIL AT ALL TIMES

BAY-O-NET FUSES MUST NOT BE OPERATED WHEN ANY OF THE FOLLOWING CONDITIONS EXIST:

VISIBLE DAMAGE TO TRANSFORMER

OIL LEVEL GAUGE (IF SO EQUIPPED) INDICATING LOW OIL

TRANSFORMER LEAKING OIL

TRANSFORMER BADLY LEANING (NO OIL ON BAY-O-NET FUSE)


ARCING SOUND COMING FROM TRANSFORMER

CAUTION: COOPER HI-AMP OVERLOAD BAYONET FUSES CANNOT BE REMOVED FROM THE FUSECARTRIDGE [CN 9220176434 (100 AMP), CN 9220176436 (125 AMP) AND CN 9220176433 (SHORTINGBAR]. THE COOPER 140 AMP DUAL SENSING BAYONET FUSE ( CN 21144407) IS ALSO INTEGRAL TO

PLACE TRANSFORMER "ON/OFF" SWITCH IN THE "OFF" POSITION ORCOMPLETELY SWITCH OUT THE TRANSFORMER (PARK CABLES ON EITHER SIDE) ORUTILIZE FEED THRU BUSHINGS

FOR SPECIAL OPERATING PROCEDURE ON 2500 AND 3750KVA TRANSFORMERS.

IF THE TRANSFORMER IS OPERATING WITH A LOW OIL LEVEL OR ARCING SOUNDS, IT NEEDS

TO BE REPLACED. DE-ENERGIZE THE TRANSFORMER REMOTELY BEFORE OPERATING THE

PRESSURE RELIEF DEVICE, TRANSFORMER ON/OFF SWITCH, BAYONET FUSE, ETC.

PURPOSE:

TO GUIDE IN THE INSTALLATION OF ELBOW SURGE ARRESTERS ON THE UNDERGROUND DISTRIBUTION SYSTEM.

SAFETY:

SAFETY SHALL BE OF FIRST IMPORTANCE IN THE PERFORMANCE OF ALL DUTIES. OBSERVE ALL SAFETY RULESAND PRACTICES AT ALL TIMES.

GENERAL:

1. MAKE SURE THE MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV) OF THE SYSTEM DOES NOT EXCEEDTHE MCOV OF THE ARRESTER.

THE MCOV RATING OF THE ARRESTER IS PRINTED ON THE DISC LOCATED BENEATH THE OPERATING EYE.

2. CHECK CONTENTS OF PACKAGE FOR DAMAGE, RATINGS, AND COMPATIBILITY WITH MATING PARTS.

3. PREPLAN SPACE FOR THE ARRESTER AND GROUND LEADS SO THE OPERATION OF THIS OR OTHER LOADBREAKDEVICES IS NOT RESTRICTED.

INSTALLATION PROCEDURE:

A. GROUNDING

PROVIDE SLACK#14 WIRE

TO GROUNDBRAIDED GROUNDLEAD

FOR OPERATION

B. LUBRICATION

4. CAUTION:

A. DO NOT HI-POT WITH ELBOW SURGE ARRESTERS INSTALLED. ARRESTERS ARE NOT RATED FOR HI-POTOVERVOLTAGES. IF SUBJECTED TO HI-POT OVERVOLTAGES, THEY WILL FAIL.

LOOP

CONNECT FREE END OF THE BRAIDEDGROUND LEAD TO THE SYSTEM GROUND.ATTACH A #14 OR EQUIVALENT WIRE TO THE ELBOW GROUNDING EYE ANDCONNECT TO THE SYSTEM GROUND INTHE SAME SPLIT BOLT CONNECTOR ASTHE ELBOW ARRESTER BRAIDED GROUNDLEAD ATTACHES TO THE SYSTEM GROUND.

DWG.

27.03-02A10/12/12 SIMMONS BURLISON ADCOCK

OPERATING PROCEDURE

OPERATING PROCEDURE FOR INSTALLING

ELBOW SURGE ARRESTERSR

LUBRICATE

APPLY A LIGHT, UNIFORM COAT OF SUPPLIED GREASE, WORKING THOROUGHLY INTO SURFACE.

EXCESS GREASE MAY PREVENT THE ELBOW ARRESTER FROM BEING FULLY SEATED IN THE "LOCKED ON" POSITION. KEEP THE INTERNAL MATING SURFACE FREE FROM DIRT AND GRIME.

MAXIMUM CONTINUOUS OPERATING VOLTAGE

SYSTEM VOLTAGE (KV)

24.94GY/ 14.413.2GY / 7.6212.47GY / 7.2

REGULATEDDUTY CYCLE (KV) MCOV (KV) MCOV (KV)DUTY CYCLE (KV)

UNREGULATED

1018

10 8.4

15.38.4

10

2110

8.4

178.4

0

3

2

1


CAUTION:

C. CONNECTION

1. OPERATE PER THE FOLLOWING INSTRUCTIONS: DO NOT OPERATE BY HAND

2. REMOVE EXISTING LOADBREAK ELBOW OR DEADEND RECEPTACLE FROM BUSHING WITH A HOTSTICK.

3. INSTALL A FEED THRU CONNECTOR ON EQUIPMENT PARKING STAND.

4. INSTALL FIRST ELBOW ARRESTER ON THE FEED THRU CONNECTOR.

5. INSTALL LOADBREAK ELBOW ON FEED THRU CONNECTOR ADJACENT TO THE ELBOW ARRESTER.

7. WHEN INSTALLING ELBOW ARRESTERS ON ENERGIZED CIRCUITS, THE FOLLOWING PROCEDURE SHOULDBE FOLLOWED:

A. FIRMLY TIGHTEN A HOTSTICK TO THE ELBOW ARRESTER OPERATING EYE.

B. POSITION ELBOW ARRESTER RECEPTACLE SO THAT ITS GROUNDED END POINTS ARE IN A DOWNWARDDIRECTION. PLACE THE ELBOW ARRESTER RECEPTACLE AREA OVER THE BUSHING, INSERTING THEPROBE TIP JUST INTO THE BUSHING.

C. TURN FACE AWAY AND FIRMLY THRUST THE ELBOW ARRESTER HOME WITH A FAST, STRAIGHT MOTION,WHICH WILL ENGAGE THE INTERNAL LOCK OF THE ELBOW ARRESTER ONTO THE BUSHING INTERFACE.

D. INSPECT GROUND LEADS FOR PROPER CONNECTION. IF EITHER GROUND LEAD DISCONNECTS DURINGOPERATION, DO NOT ATTEMPT TO REATTACH WITHOUT FIRST PULLING ARRESTER OFF THE BUSHINGWITH HOTSTICK.

OPERATING PROCEDURE

DWG.

27.03-02B6/29/10 SIMMONS GUINN ELKINS

HOTSTICK

6. INSTALL SECOND ELBOW ARRESTER ON TRANSFORMER.

OPERATING PROCEDURE FOR INSTALLING

ELBOW SURGE ARRESTERSR

0

3

2

1


DWG.

27.03-02C10/12/12 SIMMONS BURLISON ADCOCK

OPERATING PROCEDURE FORMITIGATION OF FERRORESONANCE

IN UNDERGROUND CIRCUITSREVISED CK'DBY APPR.

1

0

3

2

OPERATING PROCEDURE

DUKE ENERGY PROGRESS HAS THREE TYPES OF THREE-PHASE DISTRIBUTION TRANSFORMER CONNECTIONSSERVED WITH UNDERGROUND PRIMARY CABLE THAT ARE SUSCEPTIBLE TO FERRORESONANCE OVERVOLTAGESIF CERTAIN OPERATIONAL PROCEDURES ARE NOT FOLLOWED.

A. FLOATING WYE-DELTA CONNECTIONS

THIS TYPE CONNECTION IS NORMALLY FOUND IN VAULTS WITH 120/240, FOUR-WIRE SERVICE TO THECUSTOMER. BY DESIGN, THESE VAULTS ARE REQUIRED TO HAVE THREE-PHASE SWITCHES OR PROVISIONSFOR GROUNDING THE FLOATING WYE BEFORE SWITCHING OPERATIONS ARE PERFORMED.

1. VAULTS EQUIPPED WITH GROUNDING PROVISIONS:

BEFORE PERFORMING ANY SWITCHING OPERATIONS, GROUND THE FLOATING NEUTRAL WITH THEGROUNDING ELBOWS PROVIDED, THEN PROCEED WITH NORMAL SWITCHING OPERATIONS.

2. VAULTS EQUIPPED WITH THREE-PHASE SWITCHES:

THREE-PHASE SWITCH, AND THEN DE-ENERGIZE THE CABLE.

TRANSFORMER BANK WITH THE THREE-PHASE SWITCH.

B. DELTA-GROUNDED WYE CONNECTIONS

THREE-PHASE SWITCH PROVIDED IN THE TRANSFORMER, AND THEN DE-ENERGIZE THE CABLE.

TRANSFORMER WITH THE THREE-PHASE SWITCH IN THE TRANSFORMER.

DE-ENERGIZING THE TRANSFORMER: DE-ENERGIZE THE TRANSFORMER BANK WITH THE

ENERGIZING THE TRANSFORMER: ENERGIZE THE CABLE, AND THEN ENERGIZE THE

DE-ENERGIZING THE TRANSFORMER: DE-ENERGIZE THE TRANSFORMER FIRST WITH THE

ENERGIZING THE TRANSFORMER: ENERGIZE THE CABLE FIRST, THEN ENERGIZE THE

UNDERGROUND CIRCUITS WHERE OVER VOLTAGES MAY OCCUR FROM FERRORESONANCE

C. GROUNDED WYE-GROUNDED WYE PAD-MOUNTED TRANSFORMERS (WITH NO LOAD CONNECTED)

THIS CONNECTION IS NORMALLY FOUND IN PAD-MOUNTED TRANSFORMERS WITH DELTA-WYE SWITCHESBEING SERVED WITH 12KV PRIMARY VOLTAGE. THESE TRANSFORMERS CONTAIN A THREE-PHASE LOADBREAKSWITCH IN THE PRIMARY COMPARTMENT TO SWITCH THE WINDING ON AND OFF.

PLACE THE ENERGIZED CABLE ON INSULATING STANDOFF BUSHINGS. THEN DE-ENERGIZE THECABLE. IF TRANSFORMER CONTAINS A THREE-PHASE LOADBREAK SWITCH IN THE PRIMARY

IN THE TRANSFORMER, ENERGIZE THE CABLE. THEN ENERGIZE THE TRANSFORMER BY INSERTINGTHE ELBOWS ONTO THE BUSHING INSERTS. IF THE TRANSFORMER CONTAINS A THREE-PHASE

NOTE: THE IMPORTANT THING TO REMEMBER THAT APPLIES TO ALL THREE TYPES OF THESE TRANSFORMERCONNECTION/SITUATIONS IS TO NEVER HAVE A PARTIALLY ENERGIZED TRANSFORMER BANK, BACK-FEEDING UNDERGROUND PRIMARY CABLE.

DE-ENERGIZING THE TRANSFORMER: REMOVE THE ELBOWS FROM THE INSERT BUSHING AND

ENERGIZING THE TRANSFORMER: WITH THE ELBOWS ON INSULATING STANDOFF BUSHINGS

COMPARTMENT, THE TRANSFORMER CAN BE DE-ENERGIZED WITH THIS SWITCH IN LIEU OFREMOVING THE ELBOWS.

LOADBREAK SWITCH IN THE PRIMARY COMPARTMENT, THE TRANSFORMER CAN BE ENERGIZEDWITH THIS SWITCH IF ELBOWS ARE CONNECTED TO THE BUSHING INSERTS.


DWG.


ARRESTER - FEED-THRUSINGLE-PHASE PAD-MOUNTWITH INTERNAL ARRESTER

R

3. INSTALL ARRESTERS AT NORMAL OPENING POINTS.

2. TRANSFORMERS WITH HIGH VOLTAGE UNDER OIL LIGHTNING ARRESTERS (HVLA) WILL HAVE A HVLA DECAL.

1. TRAIN PRIMARY CABLE TO FINAL ASSEMBLED POSITION ALLOWING SLACK FOR LOADBREAK OPERATION.

NOTES:

1

3

SECONDARY SIDE

1H B

1H A

PRIMARY SIDE

4. VISE TYPE CONNECTOR CAN BE USED TO CONNECT THE ELBOW ARRESTER GROUND LEAD TO THE #4 BCGROUND LOOP. DO NOT SHORTEN THE ELBOW ARRESTER GROUND LEAD.

5. SEE DWG. 27.01-03 FOR GROUNDING DETAILS.

0

2

1


2

33

2

2

11 TUA25RECDELB2RC

BILL OF MATERIALS

CATALOG

11186806

ARRESTER, ELBOW, METOX, 27KV

CONNECTOR, FEED-THRU, 35KVCONNECTOR, FEED-THRU, 200A LB

ARRESTER, METOX, 18KVCONNECTOR, SPLIT BOLTARRESTER, METOX, 10KVCONNECTOR, SPLIT BOLT

RECEPTACLE, DE, LBK, 25KVRECEPTACLE, DE, LBK, 35KV

DESCRIPTION

TUA35RECDELB2C 11186814

ARREL10C11126406112323031112640611232204

ARREL27C051584

TUA25PLGFDTLBRC 11186400TUA35PLGFDTLBC 11185600

QTY

1

11

1

11

PERMACRO

QTY

1

11

11

1111

PERCU

NUMBERMACRO UNIT

-

CUITEMNO.

COMPATIBLE UNIT

2 ARREL18C 1

3

11126406 CONNECTOR, SPLIT BOLT1

DWG.


ARRESTER - ELBOW AND FEED-THRU,SINGLE-PHASE PAD-MOUNT

WITHOUT INTERNAL ARRESTER

R

2. TRANSFORMERS WITH HIGH VOLTAGE UNDER OIL LIGHTNING ARRESTERS (HVLA) WILL HAVE A HVLA DECAL.

1. TRAIN PRIMARY CABLE TO FINAL ASSEMBLED POSITION ALLOWING SLACK FOR LOADBREAK OPERATION.

NOTES:

3. INSTALL ARRESTERS AT NORMAL OPENING POINTS AND IN LAST TRANSFORMER OF RADIAL FEED.

4. SPLIT BOLT CONNECTOR CAN BE USED TO CONNECT THE ELBOW ARRESTER GROUND LEADS TO THE #4 BCGROUND LOOP. DO NOT SHORTEN THE ELBOW ARRESTER GROUND LEAD.

SECONDARY SIDEPRIMARY SIDE

1

H A1

H B1

1

0

2

1


5. SEE DWG. 27.01-03 FOR GROUNDING DETAILS.

2

2

1 ARREL10C

BILL OF MATERIALS

CATALOG

11126406

CONNECTOR, FEED-THRU, 200A LB

ARRESTER, ELBOW, METOX, 27KVARRESTER, METOX, 18KVCONNECTOR, SPLIT BOLT

CONNECTOR, SPLIT BOLTARRESTER, METOX, 10KV

DESCRIPTION

112323031112640611232204051584

TUA25PLGFDTLBRC 11186400

QTY

1

2

PERMACRO

QTY

1

11111

PERCU

NUMBERMACRO UNIT

-

CUITEMNO.

COMPATIBLE UNIT

1

1

ARREL18C

ARREL27C

2

2

2 CONNECTOR, FEED-THRU, 35KVTUA35PLGFDTLBC 111856001 1

3

11126406 CONNECTOR, SPLIT BOLT1

DWG.


ARRESTER-ELBOWTHREE-PHASE DEADFRONT LOOP

WITH INT-HVLA

R

ARREL18C

ARREL10C

TUA35RECDELB2CTUA25RECDELB2RC

11232204

1123230311126406

111264061118681411186806

CONNECTOR, SPLIT BOLTARRESTER, ELBOW, 18KV

ARRESTER, ELBOW, 10KVCONNECTOR, SPLIT BOLTRECEPTACLE, DE, LBK, 35KVRECEPTACLE, DE, LBK, 25KV

ARREL27C051584 ARRESTER, ELBOW, 27KV

H

3B

3A

3

H

2

2AH

1AH

3

2BH

1BH

TRANSFORMERFACE OF

1

TUA25PLGFDTLBRC 11186400 CONNECTOR, FEED-THRU, 200A LB

1

1

2

2

CONNECTOR, FEED-THRU, 35KVTUA35PLGFDTLBC 11185600

3

33

2

2

2

11

BILL OF MATERIALS

CATALOGDESCRIPTION

QTY

--

-

-

--

REQ'D

QTY

1

11

11

1111

PERCU

NUMBERMACRO UNIT

-

CUITEMNO.

COMPATIBLE UNIT

11126406 CONNECTOR, SPLIT BOLT-

1

0

3

2

1


NOTES:

1. TRAIN PRIMARY CABLE TO FINAL ASSEMBLED POSITION ALLOWING FOR LOADBREAK OPERATION. 2. TRANSFORMERS WITH HIGH VOLTAGE UNDER OIL LIGHTNING ARRESTERS (HVLA) WILL HAVE A HVLA DECAL. 3. DO NOT INSTALL PARKING STAND ARRESTERS ON THREE-PHASE PAD-MOUNTED TRANSFORMERS. THEIR PHYSICAL LOCATION AND

LENGTH INTERFERES WITH THE OPERATION OF THE LOADBREAK ELBOW BELOW. 4. INSTALL ARRESTERS AT NORMAL OPENING POINTS. 5. DELTA CONNECTED TRANSFORMERS ON 12.47KV SYSTEM SHALL HAVE 18KV ARRESTERS. 6. CONNECT DRAIN WIRES AND ELBOW ARRESTER GROUNDS TO GROUND LOOP.

DWG.


ARRESTER-ELBOWTHREE-PHASE DEADFRONT LOOP

NON INT-HVLA

R

ARREL10C

ARREL18C

TUA25PLGFDTLBRC

1

2

CONNECTOR, SPLIT BOLT, #4 CUARRESTER, ELBOW, 10KVCONNECTOR, SPLIT BOLT, #4 CUARRESTER, ELBOW, 18KV

CONNECTOR, FEED-THRU, 200A LB

11126406

11232204

11186400

1123230311126406

H3A FACE OFTRANSFORMER

2A

2

H

3B

H

H

1B

1A

H

H

2

2B

1

2

1

1

1

1 ARREL27C051584

11126406 CONNECTOR, SPLIT BOLTARRESTER, ELBOW, 27KV

TUA35PLGFDTLBC2

11185600 CONNECTOR, FEED-THRU, 35KV

0

2

1


1

BILL OF MATERIALS

CATALOGDESCRIPTION

33

6

6

6

QTY

11

11

1111

PERCU

NUMBERMACRO UNIT

-

CUITEMNO.

COMPATIBLE UNIT

QTYREQ'D

3

NOTES:

1. TRAIN PRIMARY CABLE TO FINAL ASSEMBLED POSITION ALLOWING FOR LOADBREAK OPERATION.2. TRANSFORMERS WITH HIGH VOLTAGE UNDER OIL LIGHTNING ARRESTERS (HVLA) WILL HAVE A HVLA DECAL.3. DO NOT INSTALL PARKING STAND ARRESTERS ON THREE-PHASE PAD-MOUNTED TRANSFORMERS. THEIR

PHYSICAL LOCATION AND LENGTH INTERFERES WITH THE OPERATION OF THE LOADBREAK ELBOW BELOW.4. INSTALL ARRESTERS AT NORMAL OPENING POINTS AND IN THE LAST TRANSFORMER OF RADIAL FEED.5. DELTA CONNECTED TRANSFORMERS ON 12.47KV SYSTEM SHALL HAVE 18KV ARRESTERS.6. CONNECT DRAIN WIRES AND ELBOW ARRESTER GROUNDS TO GROUND LOOP.

GROUND STRAP

FINAL GRADE

X2

X3

X 1

SECONDARY CABLE AND/ORCONDUIT OR CABLES

PARKING STAND

PRIMARY BUSHING

CONCRETE

FINAL GRADE

H1A

H1B

FAULT INDICATOR

EDGE OFPAD-MOUNTEDTRANSFORMER

NO CABLE OR CONDUITPERMITTED TO ENTER OR

SECONDARY CABLEAND CONDUIT AREA

CONCRETE PADEDGE OF

PAD-MOUNTEDTRANSFORMER

CL

NOTES:

1. INSTALL A FAULT INDICATOR ON THE LOAD SIDE PRIMARY CABLE (H1B BUSHING). FAULT INDICATORS WILL BE INSTALLED IN

2. ALL TRANSFORMERS SHALL BE BOLTED TO CONCRETE PAD WITH HOLD DOWN CLAMPS. USE CLAMPS SUPPLIED BY TRANSFORMER

3. ALL CONDUITS SHALL STUB-UP A MINIMUM DISTANCE OF ONE INCH (BUT SHALL NOT EXCEED 2") ABOVE THE TOP OF THE CONCRETEPAD.

SECONDARY CABLE TAG LOCATION

PRIMARY CABLE TAG LOCATION(1 TAG EACH PRIMARY CONDUCTOR, SEE

TRANSFORMER PAD

TRANSFORMER BASE SILL

1"-2"SEE NOTE 3

OUTSIDE

INSIDE EDGE OF FRONT BASE SILLOF PAD-MOUNTEDTRANSFORMER SHALLNOT BE SET MORETHAN 2" FROM PAD OPENING.

EXIT IN THIS AREA

EDGE OF CONCRETE PAD OPENING

CONDUCTOR OR CONDUIT

CENTERLINE LOCATION

6. BOTH LOADBREAK ELBOWS SHALL BE PROPERLY CABLE TRAINED AND FREE TO MOVE TO A STAND-OFF PLUG MOUNTED ON THEPARKING STAND WHILE USING AN INSULATED ELBOW PULLING STICK.

±6"

OF PRIMARY CONDUCTORS ANDCONDUITS. CONDUCTORS ANDCONDUITS MUST ENTER ANDEXIT THIS LOCATION

FLUSH AGAINST FRONT OF PAD OPENING. CONDUIT SHALLEXTEND ABOVE CONCRETE PAD1" (BUT SHALL NOT EXCEED 2")

PRIMARY CONDUCTORS/CONDUITS

CU PAD1PH44X57CCCN 9220204450

CONCENTRIC NEUTRAL TERMINATION.

DWG.GUINNSIMMONS ELKINS6/29/10

8. WHEN CONNECTING SECONDARY CABLES, START AT THE BACK (CLOSEST TO THE TANK) AND WORK TOWARD THE FRONT LEAVING THE CONNECTION HOLES CLOSEST TO THE FRONT OPEN FOR FUTURE INSTALLATIONS.

DWGS. 20.01-01A & 20.01-01B)

(1 EACH LEG, SEE DWGS. 20.01-01A &20.01-01B)

SEE NOTE 6, DWG. 26.04-02B FOR JACKET AND

4. FOR FIBERGLASS PADVAULT SINGLE-PHASE PAD-MOUNTED TRANSFORMER INSTALLATIONS, SEE DWG. 24.01-03.5. FOR SINGLE-PHASE PAD-MOUNTED TRANSFORMER GROUNDING, SEE DWG. 27.01-03.

7. FOR CONCRETE PAD DETAILS, SEE DWG. 24.01-05.

27.05-01

CABLE AND CONDUIT ENTRANCE SINGLE-PHASEPAD-MOUNTED TRANSFORMER INSTALLATION 100 KVA AND LARGER (CONCRETE PADS ONLY)

MANUFACTURER WITH EACH UNIT OR A SUITABLE SUBSTITUTE ( CN 21334206).

R

GROUND RODLOCATION

LEVEL WITH ENDS INDIVIDUALLY SEALED AND TAPED PER DWG. 23.02-01. ALL SECONDARY NEUTRAL CONDUCTORS MUST

0


1

SPECIFIED RDO'S PER DWG. 26.07-03B.

2

3

44"

57"

29"

14-1/2"

10" 4"

6"

9"

3"

3"

9"

4"

15"

3"

9. SECONDARY CABLES THAT ARE NOT TERMINATED ON INITIAL TRANSFORMER INSTALLATION SHOULD BE LEFT ABOVE PAD

BE TERMINATED AND CONNECTED IN THE TRANSFORMER TO FACILITATE CABLE LOCATING.

GROUND STRAP

FINAL GRADE

X 2

X 3

X 1

SECONDARY CABLE AND/ORCONDUIT OR CABLES

PARKING STAND

PRIMARY BUSHING

CONCRETE

FINAL GRADE

H1A

H1B

FAULT INDICATOR

EDGE OFPAD-MOUNTEDTRANSFORMER

NO CABLE OR CONDUITPERMITTED TO ENTER OR

SECONDARY CABLE ANDCONDUIT AREA

CONCRETE PADEDGE OF


CL

NOTES:

1. INSTALL A FAULT INDICATOR ON THE LOAD SIDE PRIMARY CABLE (H1B BUSHING). FAULT INDICATORS WILL BE INSTALLED IN

2. ALL TRANSFORMERS SHALL BE BOLTED TO CONCRETE PAD WITH HOLD DOWN CLAMPS. USE CLAMPS SUPPLIED BY TRANSFORMER

3. ALL CONDUITS SHALL STUB-UP A MINIMUM DISTANCE OF ONE INCH (BUT SHALL NOT EXCEED 2") ABOVE THE TOP OF THE CONCRETEPAD.

SECONDARY CABLE TAG LOCATION

PRIMARY CABLE TAG LOCATION(1 TAG EACH PRIMARY CONDUCTOR, SEE

TRANSFORMER PAD

TRANSFORMER BASE SILL

1"-2"SEE NOTE 3

OUTSIDE

INSIDE EDGE OF FRONT BASE SILLOF PAD-MOUNTEDTRANSFORMER SHALLNOT BE SET MORETHAN 2" FROM PAD OPENING.

EXIT IN THIS AREA

EDGE OF CONCRETE PAD OPENING

CONDUCTOR OR CONDUIT

CENTERLINE LOCATION

6. BOTH LOADBREAK ELBOWS SHALL BE PROPERLY CABLE TRAINED AND FREE TO MOVE TO A STAND-OFF PLUG MOUNTED ON THEPARKING STAND WHILE USING AN INSULATED ELBOW PULLING STICK.

±6"

4"

OF PRIMARY CONDUCTORS ANDCONDUITS. CONDUCTORS ANDCONDUITS MUST ENTER ANDEXIT THIS LOCATION

FLUSH AGAINST FRONT OF PAD OPENING. CONDUIT SHALLEXTEND ABOVE CONCRETE PAD1" (BUT SHALL NOT EXCEED 2")

4"

PRIMARY CONDUCTORS/CONDUITS

CU PAD1P42X45CCCN 9220166987

CONCENTRIC NEUTRAL TERMINATION.

DWG.GUINNSIMMONS ELKINS6/29/10

8. WHEN CONNECTING SECONDARY CABLES, START AT THE BACK (CLOSEST TO THE TANK) AND WORK TOWARD THE FRONT LEAVING THE CONNECTION HOLES CLOSEST TO THE FRONT OPEN FOR FUTURE INSTALLATIONS.

DWGS. 20.01-01A & 20.01-01B)

(1 EACH LEG, SEE DWGS. 20.01-01A &20.01-01B)

SEE NOTE 6, DWG. 26.04-02B FOR JACKET AND

4. FOR FIBERGLASS PADVAULT SINGLE-PHASE PAD-MOUNTED TRANSFORMER INSTALLATIONS, SEE DWG. 24.01-03.

5. FOR SINGLE-PHASE PAD-MOUNTED TRANSFORMER GROUNDING, SEE DWG. 27.01-03.

7. FOR CONCRETE PAD DETAILS, SEE DWG. 24.01-04.

27.05-03

28"

14"

45"

16"

10"

6"

10"

42"

3"

CABLE AND CONDUIT ENTRANCE SINGLE-PHASEPAD-MOUNTED TRANSFORMER INSTALLATION

25-75 KVA (CONCRETE PADS ONLY)

MANUFACTURER WITH EACH UNIT OR A SUITABLE SUBSTITUTE ( CN 21334206).

R

3"

3"

9"

GROUND RODLOCATION

0


SPECIFIED RDO'S PER DWG. 26.07-03B.

1

2

3

LEVEL WITH ENDS INDIVIDUALLY SEALED AND TAPED PER DWG. 23.02-01. ALL SECONDARY NEUTRAL CONDUCTORS MUST

9. SECONDARY CABLES THAT ARE NOT TERMINATED ON INITIAL TRANSFORMER INSTALLATION SHOULD BE LEFT ABOVE PAD

BE TERMINATED AND CONNECTED IN THE TRANSFORMER TO FACILITATE CABLE LOCATING.

NOTES:

3. SECONDARIES - ENTER PAD IN LOCATION SHOWN. SECONDARIES ADDED SUBSEQUENT TO PAD/TRANSFORMER INSTALLATION MAYENTER PAD AT ANY LOCATION, BUT SHOULD NOT INTERFERE WITH PRIMARY CABLES OR OPERATION OF LOADBREAK ELBOWS. CABLESTHAT ARE NOT TERMINATED ON INITIAL TRANSFORMER INSTALLATION SHOULD BE LEFT ABOVE PAD LEVEL WITH ENDS INDIVIDUALLY

EASE IN TERMINATING AND TO PROVIDE A "SAFETY-MARGIN" SHOULD TRANSFORMER CHANGEOUT BE REQUIRED.

4. PRIMARIES - ENTER PAD IN LOCATION SHOWN. PRIMARY CABLES SHOULD BE TRAINED AND TERMINATED SUCH THAT OPERATION OFLOADBREAK ELBOWS CAN BE PERFORMED WITHOUT INTERFERENCE FROM SECONDARY CABLES, GROUND LEADS, OR GROUNDINGLOOP. OUTER JACKET OF PRIMARY CABLE SHOULD BE CUT BACK TO WITHIN 6" OF GROUND LEVEL. PRIMARY CABLES MUST BETERMINATED WITH AN ARC IN THE CABLES AS SHOWN ABOVE, TO PROVIDE ADEQUATE SLACK FOR OPERATION OF LOADBREAKELBOWS. CABLE TAGS SHOULD BE LOCATED IMMEDIATELY BELOW THE BASE OF THE ELBOW IN AN EASILY READABLE POSITION.

5. TRANSFORMER - INSTALL TRANSFORMER SUCH THAT EDGE OF SILL IS WITHIN 1" OF PAD OPENING. THIS WILL OPTIMIZE THE OPENAREA OF PAD PROVIDING MORE SPACE FOR CABLES. TRANSFORMER SHOULD BE BOLTED DIRECTLY TO PAD. IF HOLD-DOWN CLEATS

TOP VIEW

SECONDARYCABLE LOCATION

PRIMARY CABLE LOCATION

FRONT VIEW

FOR T

REN

CH

DETAIL

CABLE

BU

RIA

L D

EPT

HS

1. SINGLE PHASE FIBERGLASS PAD-VAULTS ARE TO BE USED IN WESTERN REGION IN LOCATIONS WHICH HAVE SEVERE SLOPE, AND IN EASTERN REGION IN LOCATIONS WHICH HAVE SHIFTING SOILS CAUSED BY WIND AND/OR WATER. OTHER REGIONS SHOULD INSTALL PAD-VAULTS WHEN EITHER ABOVE CONDITION IS ENCOUNTERED.

DWG.5/29/10 GUINNSIMMONS ELKINS

SEALED AND TAPED PER DWG. 23.02-01. ALL SECONDARY NEUTRAL CONDUCTORS MUST BE TERMINATED AND CONNECTED IN

PAD-VAULT INSTALLATION DETAILS.

27.05-04

6"

SEE D

WG

. 22.0

2-0

1

CABLE TRAINING - PAD-VAULTS

SINGLE-PHASE PAD-MOUNTED TRANSFORMERS

OF PAD-VAULT

GROUND LEVEL2" FROM BOTTOM

R

THE TRANSFORMER TO FACILITATE CABLE LOCATING. ADEQUATE SLACK SHOULD BE LEFT IN SECONDARIES TO PROVIDE FOR

0

3

2

1


HOLD-DOWN

TRANSFORMER

TRANSFORMER

ROD LOCATION

FRONT OF

GROUND

SILL

CLEAT

2. GROUND ROD - TO BE INSTALLED IN LOCATION SHOWN. TO BE DRIVEN AT LEAST TO TOP OF PAD. SEE DWG. 27.01-03 FOR DETAILS.

MUST BE USED, INSTALL AS SHOWN. NO PART OF HOLD-DOWN CLEAT SHOULD EXTEND INTO PAD OPENING. SEE DWG. 24.01-03 FOR

SLIDE CONNECTOR OVERTHE TRANSFORMER STUD

AND THEN TIGHTEN THE SET SCREW

ONE SCREWFOR 5/8" STUD ANDTWO SCREWS FOR 1" STUD. TORQUE TO

HOLE FOR STREETLIGHT WIRE

SINGLE-PHASEPAD-MOUNTED TRANSFORMER

NOTES:

3. TORQUE ALL SET SCREWS TO 30 FT.-LBS.

4. DO NOT INSTALL MORE THAN ONE CONDUCTOR PER SET SCREW POSITION.

SIDE VIEWFRONT VIEW

LIFT UP TO SEAT

12 O'CLOCK

1 O'CLOCK

1 O'CLOCK

12 O'CLOCK

THE NEUTRAL AND MIDDLE CONNECTORMUST BE ORIENTED AS SHOWN IN THE1 O'CLOCK POSITION

ORIENT THE THE TOP CONNECTOR AS NEEDED SO CABLE TRAINING DOES NOTINTERFERE WITH THE OPERATION OFTHE CSP SWITCH HANDLE

NEUTRAL CONNECTOR AND GROUNDING STRAP INSTALLATION

1. RUN THE JAM NUT ON THE NEUTRAL STUD AS FAR AS POSSIBLE.

2. PUT THE GROUND STRAP ON THE NEUTRAL STUD.

3. INSTALL THE NEUTRAL CONNECTOR UP AGAINST THE GROUND STRAP.

4. LIFT THE CONNECTOR TO SEAT THE THREADS AND TIGHTEN THE CONNECTOR AGAINST THE GROUND STRAP

5. WITH A WRENCH, TIGHTEN THE JAM NUT AGAINST THE GROUND STRAP.

TANK GROUND STRAP

JAMNUT

NEUTRAL CONNECTORSEE INSTRUCTIONSBELOW

USE JAMNUT ONLY ON THENEUTRAL BUSHING

DWG.6/29/10 ELKINS

IF TWO JAMNUTS ARESUPPLIEDUSE ONLYONE OF THEM

6. WHEN CONNECTING SECONDARY CABLES, START AT THE BACK (CLOSEST TO THE TANK) AND WORK TOWARD THE FRONT LEAVINGTHE CONNECTION HOLES CLOSEST TO THE FRONT OPEN FOR FUTURE INSTALLATIONS.

5. SEE DWG. 27.05-03 FOR CABLE TRAINING THRU THE PAD.

7. USE THREE SET-SCREW SECONDARY TERMINALS FROM THE SAME MANUFACTURER.

27.05-06GUINNSIMMONS

25 KVA - 75 KVA

100 KVA - 250 KVA

SIZETRANSFORMER SECONDARY BUSHING

STUD SIZE

1"

5/8"

11174232

11174216

11174208

11174000

11174240

11174224

*

*

Z-BAR SECONDARY TERMINALSFOR SINGLE-PHASE LOW PROFILEPAD-MOUNTED TRANSFORMERS

TERMINAL6 HOLE

TERMINAL8 HOLE 4 HOLE SPADE

FOR MAINT. ONLY

THE NEUTRAL BUSHING, THE OUTER SET SCREW MAY NOT FULLY SEAT ON THE STUD. THE ONE SECURED SETTHE CONNECTORS FOR 1" STUDS HAVE TWO SET SCREWS TO SECURE IT TO THE STUD. WITH THE JAM NUT ON

SCREW IS SUFFICIENT ON THE NEUTRAL BUSHING.

*

2. WIRE BRUSH CONDUCTOR AND APPLY GRIT INHIBITOR CN 30524607.

#4 BC

R

9220106464 --5/8" & 1"25 KVA - 250 KVA

WHICH WILL ACCEPT #10 - 500 KCMIL AL OR CU.

0

3

2

1


AND JAM NUT.

20 FT.-LBS. MINIMUM

1. ALUMINUM SET-SCREW TERMINALS WILL ACCEPT #12 AWG - 350 KCMIL ALUMINUM OR COPPER CONDUCTOR EXCEPT CN 9220106464

NOTES: COMPOSITE HOOD INSTALLATION

DWG.

LOCK

SIDE VIEW

TOP VIEW

SWING LATCHING ARM INTO UPRIGHTPOSITION AFTER HOOD IS REMOVED

TANK

LATCHING ARM(INSIDE COMPARTMENT)

COMPOSITE HOOD

BOTTOM EDGESTAINLESS STEEL

LOCK


1. ANGLE BOTTOM OF HOOD FORWARD AND ALIGN BOTTOM GROOVES OF HOOD WITH TANK EDGES.

2. SWING TOP OF HOOD FORWARD AGAINST TANK. THE REST OF THE GROOVE SHOULD BE AUTOMATICALLY ALIGNED AND THE LATCHING ARM LOCK HOLE SHOULD PROTRUDE THROUGH THE HOOD.

3. TIGHTEN HEX RETAINING BOLT TO DRAW HOOD UP AGAINST TANK. TIGHTEN HEX BOLT UNTIL IT BOTTOMS OUT.

4. INSTALL PADLOCK.

27.05-08

COMPOSITE HOOD SINGLE-PHASE

TRANSFORMER INSTALLATION

BOLT HOLDDOWN CLEETS TOPAD FIRST. THEN SETTRANSFORMER SO SLOTTEDHOLES ARE OVER HOLDDOWNCLEAT STUDS. BOLT TRANSFORMERTO HOLDDOWN CLEATS.

PAD

HOLDDOWN CLEATS

0

3

2

1


DWG.6/29/10 SIMMONS GUINN ELKINS

NOTES:

#4 BC GROUND LOOP

#14 BC CONCENTRIC

IN-LINE WITH CENTER

NEUTRAL WIRE

SOURCE

#14 BC CONCENTRICNEUTRAL WIRE

POSITION FEED-THROUGH

X

XFMRPAD

TO

XX

X

X

X

XFMRPAD

TO

XX

X

X

27.05-10

FEED THROUGH BUSHING INSERT IN

LOW PROFILE PAD-MOUNTED TRANSFORMERSR

0

2

1


H B1

H A1

LOAD

X

XFMRPAD

TO

XX

X

X

3

OF PARKING STAND

1. ALL LOADBREAK ELBOWS SHALL BE PROPERLY CABLE TRAINED AND FREE TO MOVE TO AN INSULATING BUSHING(CN 11186905) MOUNTED ON A PARKING STAND WHILE USING AN INSULATED ELBOW PULLING STICK.

2. GROUND FEED THROUGH BUSHING INSERT ( CN 11185709), BUSHING INSERT (CN 11186509) AND ALL ELBOWS(CN 11186707) WITH #14 BC CONCENTRIC NEUTRAL WIRE.

H1B

X1

3X

2X

GROUNDSTRAP REMOVEDH 1A1AH

1BH 1

X

X

3

2X

12"

NOTES:

1. REMOVE X2 GROUND STRAP ON POWER TRANSFORMER AND TAPE BUSHING WITH VINYL TAPE. GROUND STRAP ON LIGHTINGTRANSFORMER MUST REMAIN ATTACHED BETWEEN TRANSFORMER TANK AND X2 BUSHING.

2. LABEL ALL SECONDARY CABLES.

FULLY OPEN POSITION.

#4 BC

4. DO NOT USE AS AN OPEN POINT BETWEEN TWO SEPARATE PHASES IN A SINGLE-PHASE RESIDENTIAL CABLE LOOP.

2-5' GROUND RODS

2-5' GROUND RODS

LIGHTING TRANSFORMER POWER TRANSFORMER


OPEN WYE-OPEN DELTA TRANSFORMER BANK,240/120 VOLT, 4-WIRE SERVICE USING SINGLE-PHASE

13.2KV AND 19.9KV PAD-MOUNTED TRANSFORMERS

3. AFFIX "WARNING" LABEL (CN 21129309) INSIDE EACH TRANSFORMER DOOR. IT MUST BE VISIBLE WHEN THE DOOR IS IN THE

0


5. STUB UP CABLES WITH CONNECTOR BLOCK AND COVER ( CU KP4H35N10C).

SEE NOTE 5

WARNING LABELCN 21129309

DANGER LABELCN 21129804

2

6. CONSULT DST-EDGX-00033, VOLTAGE FLICKER TO DESIGN THIS INSTALLATION.

3

Ø2 Ø2

Ø1

SEE DWG. 20.00-06B

SEE DWG. 20.00-06B

13.2 AND 19.9KV CONNECTIONS - SUBTRACTIVE POLARITY





10/9/13 GUINN GUINN ADCOCK

7. LIGHTING AND POWER TRANSFORMERS SHALL HAVE THE SAME ASSIGNED DIS (LOCID) NUMBER APPLIED TO THE OUTSIDE OF THE TRANSFORMER (SEE DWG. 27.00-04) AS WELL AS PRIMARY CONDUCTOR IDENTIFICATION (X, Y OR Z).


4 8/27/14 SIMMONS

27.05-12

DEFDEP

X

DEMDEC

8. COMPANY PROVIDES ALL CONDUCTORS TO CT METERING ENCLOSURE FROM PAD-MOUNTED TRANSFORMERS.

CUSTOMER PROVIDES CONDUCTORS FROM THE CT METERING ENCLOSURE TO SERVICE AND THE MOUNTINGPROVISIONS FOR THE CT METERING ENCLOSURE.

DUKE ENERGYPROVIDEDCONDUCTORS

CUSTOMERPROVIDEDCONDUCTORS

30"

12"

CT METERING ENCLOSURE SEE NOTE 8

Ø1

GUINN ADCOCK

NOTES:


OPEN WYE-OPEN DELTA TRANSFORMER BANK,240/12OV, 4-WIRE SERVICE USING

SINGLE-PHASE 7.2KV PAD-MOUNTED TRANSFORMERS0

2


1. REMOVE X2 GROUND STRAP ON POWER TRANSFORMER AND TAPE BUSHING WITH VINYL TAPE. GROUND STRAP ON LIGHTINGTRANSFORMER MUST REMAIN ATTACHED BETWEEN TRANSFORMER TANK AND X2 BUSHING.


OPEN POSITION.


3. AFFIX "WARNING" LABEL (CN 21129309) INSIDE EACH TRANSFORMER DOOR. IT MUST BE VISIBLE WHEN THE DOOR IS IN THE FULLY

5. STUB UP CABLES WITH CONNECTOR BLOCK AND COVER ( CU KP4H35N10C).

6. CONSULT DST-EDGX-00033, VOLTAGE FLICKER TO DESIGN THIS INSTALLATION.

3

7.2KV CONNECTIONS - ADDITIVE POLARITY


7. LIGHTING AND POWER TRANSFORMERS SHALL HAVE THE SAME ASSIGNED DIS (LOCID) NUMBER APPLIED TO THE OUTSIDE OF THETRANSFORMER (SEE DWG. 27.00-04) AS WELL AS PRIMARY CONDUCTOR IDENTIFICATION (X, Y OR Z).


H1B

X3

1X

2X

GROUNDSTRAP REMOVED

H1A1AH

1BH 3

X

X

1

2X

12"

#4 BC

2-5' GROUND RODS

2-5' GROUND RODS

LIGHTING TRANSFORMER POWER TRANSFORMER

SEE NOTE 5



Ø2 Ø2

Ø1

SEE DWG. 20.00-06B

SEE DWG. 20.00-06B







30"

12"

CT METERINGENCLOSURESEE NOTE 8

Ø1

8. COMPANY PROVIDES ALL CONDUCTORS TO CT METERING ENCLOSURE FROM PAD-MOUNTED TRANSFORMERS.CUSTOMER PROVIDES CONDUCTORS FROM THE CT METERING ENCLOSURE TO SERVICE AND THE MOUNTINGPROVISIONS FOR THE CT METERING ENCLOSURE.

27.05-13

DEFDEP

X

DEMDEC4 8/28/14 SIMMONS GUINN ADCOCK

X

X

3

2X

NOTES:

OPEN WYE-OPEN DELTA TRANSFORMER BANK480 VOLT, 3-WIRE SERVICE USING SINGLE-PHASE7.2KV X 13.2KV PAD-MOUNTED TRANSFORMERS0

3


3. REMOVE X2 GROUND STRAP ON BOTH TRANSFORMERS AND TAPE BUSHING WITH VINYL TAPE.


OPEN POSITION.


5. AFFIX "WARNING" LABEL (CN 21129309) INSIDE EACH TRANSFORMER DOOR. IT MUST BE VISIBLE WHEN THE DOOR IS IN THE FULLY

7. STUB UP CABLES WITH CONNECTOR BLOCK AND COVER ( CU KPW4W40C).

1. TRANSFORMERS ARE 50 AND 100 KVA 240/480 VOLT PADMOUNTS FOR 480 VOLT, 3-WIRE SERVICE TO 480 VOLT PUMPS.

2. COMPANY PROVIDES ALL CONDUCTORS TO CT METERING ENCLOSURE FROM PAD-MOUNTED TRANSFORMERS. CUSTOMER PROVIDES

480/240 V480/240 V

GROUNDSTRAP REMOVED

1

8. IF CUSTOMER PROVIDES A NEUTRAL FOR CONNECTION TO THE TRANSFORMER, STOP ALL WORK AND OBTAIN CLARIFICATION FROM

9. GROUND LOOP IS CONNECTED TO CASE GROUND AND CONCENTRIC NEUTRAL.


THE PROJECT PLANNER ON TYPE OF SERVICE REQUIRED. NEUTRAL CONNECTION MUST NOT BE INSTALLED ON THIS INSTALLATION.

10. IF CUSTOMER BRINGS A GROUND BOND TO THE TRANSFORMER, THEN THE BOND SHOULD BE CONNECTED TO THE TRANSFORMERGROUNDING LOOP.

7.2 X 13.2KV CONNECTIONS - SUBTRACTIVE POLARITY

11/13/13 SIMMONS

11. BOTH TRANSFORMERS SHALL HAVE THE SAME ASSIGNED DIS (LOCID) NUMBER APPLIED TO THE OUTSIDE OFTHE TRANSFORMER (SEE DWG. 27.00-04) AS WELL AS PRIMARY CONDUCTOR IDENTIFICATION (X, Y OR Z).

GUINN ADCOCK

4 2/7/14 SIMMONS GUINN ADCOCK

H1B

GROUNDSTRAP REMOVEDH 1A1AH

1BH

12"

#4 BC

2-5' GROUND RODS

2-5' GROUND RODS

SEE NOTE 7



Ø2 Ø2

Ø1

SEE DWG. 20.00-06B

SEE DWG. 20.00-06B





CONDUCTORS FROM THE CT METERING ENCLOSURE TO SERVICE AND THE MOUNTING PROVISIONS FOR THE CT METERING ENCLOSURE.



30"

12"

CT METERINGENCLOSURESEE NOTE 2

Ø1

27.05-14A

DEFDEP

X

DEMDEC5 9/4/14 SIMMONS

X

X

3

2X

1

GUINN ADCOCK

27.05-14BDWG.

THREE-PHASE OPEN WYE-OPEN DELTA CONNECTION

7200/12470 X 13200/22860 TO 240/480V PAD-MOUNTED

TRANSFORMER 480 VOLT THREE-PHASE THREE WIRE SERVICE

R

0

3

2

1



LEADING PHASE

PRIMARY

H

NEUTRAL

aØ

X3 X2 X1

CASE GROUND

PRIMARY NEUTRAL

cØ

X3 X2 X1

bØ

CASEGROUND

LAGGING PHASE

VOLTAGE CHECK:

PHASE TO PHASE READINGS (a-b, b-c, c-a) WILL BE 480 VOLTS

DO NOT CHECK PHASE TO GROUND VOLTAGE. PHASE TO GROUND VOLTAGE WILL VARY DUE TO THERE BEING NOGROUND REFERENCE ON SECONDARY CONNECTIONS.

H1A

-SUBTRACTIVE POLARITY-

7200/12470 X 13200/22860 TO 240/480V PAD-MOUNTED TRANSFORMER

1A

STANDARD THREE-PHASE, PAD-MOUNTED TRANSFORMERS

THE STANDARD THREE-PHASE PAD-MOUNTED TRANSFORMER IS A DEAD FRONT, LOOP FEED TRANSFORMER.

USING A LOOP FEED UNIT

(CONVERTING LIVE-FRONT TERMINATIONS TO DEAD-FRONT) AS A TEMPORARY "FIX", IT MAY BE MORECONVENIENT TO CUT THE PRIMARY CABLE JUST BELOW THE STRESS CONE AND SPLICE ON A SECTIONOF CABLE AND AN ELBOW IN THE PRIMARY COMPARTMENT OF THE TRANSFORMER. AN OUTAGE SHOULDBE SCHEDULED WITH THE CUSTOMER AT A LATER DATE TO CUT THE PRIMARY CABLE BACK TO A POINTWHERE THE SPLICE(S) MAY BE BURIED. IF CABLES ARE INSTALLED IN CONDUIT(S), THE ENTIRE CABLERUN SHOULD BE REPLACED IF POSSIBLE.

STATIC VOLTAGE

IN THREE-PHASE PAD-MOUNTED TRANSFORMERS IF ONE PHASE IS OPEN ON THE PRIMARY SIDE YOU MAY STILL GET STATIC VOLTAGE READINGS ON THE SECONDARY SIDE OF THE TRANSFORMER DUE TO MAGNETIC FLUX. ANYTIME YOU GET ABNORMALLY HIGH SECONDARY VOLTAGE READINGS ON THE SECONDARY SIDE OF A THREE-PHASE PAD-MOUNTED TRANSFORMER, THE TRANSFORMER MAY BE SINGLEPHASING.

RADIAL FEED TRANSFORMERS ARE NONSTANDARD AND WILL NO LONGER BE PURCHASED.

SECONDARY BUSHING/TERMINALS

1. THE OVERSIZED SECONDARY TERMINALS WE USE PROVIDE A LONG LEVER ARM AND MAKE BREAKAGEOF THE SECONDARY BUSHING EASY. IF EXCESS FORCE IS APPLIED TO THE TERMINAL WHEN CONNECTINGCABLES YOU WILL BREAK THE SECONDARY BUSHING. PLEASE EXERCISE CARE WHEN TIGHTENING UPSECONDARY CABLES.

2. THE PRESENT SECONDARY TERMINALS WE USE ARE PINNED TO THE BUSHING STUD IN ADDITION TOHAVING A JAM NUT. OLDER SECONDARY BUSHINGS DO NOT HAVE THIS JAM NUT. IT IS POSSIBLE TOLOOSEN THE TERMINAL/JAM NUT WHEN CONNECTING CABLES TO THIS UNPINNED TERMINAL. ALWAYSCHECK AND TIGHTEN THE JAM NUT AFTER YOU HAVE FINISHED CONNECTING UP THE CABLES.

EMERGENCY CHANGEOUT OF RADIAL FEED UNITS

THREE-PHASE PAD-MOUNTED TRANSFORMERS

GENERAL INFORMATIONREVISED BY CK'D APPR.

DWG.

1

27.06-02A

2

3

0 8/17/12 SIMMONS BURLISON ELKINS

REVISED BY CK'D APPR.

DWG.

1

27.06-02B

2

3

0

CONNECTING PARALLEL SECONDARIES

ANY TIME PARALLEL THREE-PHASE SECONDARY CONDUCTORS ARE RUN TO THE CUSTOMER OR THE CUSTOMERCOMES TO THE SECONDARY TERMINALS OF THE TRANSFORMER, EACH PARALLEL CONDUCTOR SHOULD BE THESAME LENGTH. HOWEVER, EXCESSIVE CONDUCTOR LENGTH SHOULD BE CUT SO THE CONDUCTORS MAKE ANEAT, SAFE FIT TO THE SECONDARY TERMINALS. WHEN CUTTING OFF EXCESS CONDUCTORS, DIFFERENT LENGTHSCAN BE TRIMMED FROM THE THREE-PHASE CONDUCTORS OR THE NEUTRAL, AS LONG AS ALL CONDUCTORS ON

SINGLE PHASING

PAD-MOUNTED TRANSFORMERS SHOULD NOT BE LEFT TO SINGLE PHASE FOR LONG PERIODS OF TIME. SINGLEPHASING IS AN OUTAGE CONDITION AND SHOULD BE TREATED AS SUCH. PAD-MOUNTED TRANSFORMERSSUBJECTED TO EXTENDED PERIODS OF SINGLE PHASING WILL OVERHEAT DUE TO CIRCULATING MAGNETICCURRENTS.

THE SAME PHASE ARE THE SAME LENGTH.

CABLES SHOULD BE BENT AT THE BOTTOM OF THE SECONDARY COMPARTMENT AND TRAINED TO COME UPSTRAIGHT UNDER THE SECONDARY BUSHING WHERE THEY ARE TO BE CONNECTED. THERE SHOULD BE ENOUGHSLACK IN THE CABLES TO ALLOW FOR TRENCH SETTLEMENT. CUT THE CABLES TO PROPERLY FIT AT THESECONDARY BUSHINGS. ATTACH THE CABLES TO THE SET SCREW BLOCKS STARTING AT THE BACK OF THESECONDARY BUSHING. ENSURE BOLTS ARE PLACED IN ALL BOLT HOLES COMMON BETWEEN THE SET SCREW

THREE-PHASE PAD-MOUNTED TRANSFORMER

GENERAL INFORMATIONR

FAULT INDICATORS

LOAD SIDE PRIMARY CABLES WHEN THE TRANSFORMER IS WITHIN A LOOP SYSTEM OR ON A RADIAL SYSTEMCONTAINING MORE THAN ONE TRANSFORMER. FAULT INDICATORS ARE NOT REQUIRED ON A SINGLE, RADIAL-FED,

SEE SECTION 26 FOR MORE DETAIL ON BOTH MANUAL AND AUTOMATIC FAULT INDICATORS.

ALL CONDUCTORSOF THE SAME PHASEOR NEUTRAL MUSTBE THE SAME LENGTH

THREE-PHASE TRANSFORMER.


BLOCKS(S) AND TRANSFORMER BUSHING SPADES.

THREE-PHASE TRANSFORMERS - MANUAL FAULT INDICATORS (SEE DWG. 26.07-03A) SHALL BE INSTALLED ON THE

A POSITIVE TEST FOR CONTINUITY (RING-OUT) SHALL BE PERFORMED TO ENSURE ALL CABLES ARE


CONNECTED TO THE CORRECT PHASE.

SEE TABLE 1

10' MIN. 10' MIN.

WINDOWMORE THAN

10'

STRUCTURES A A1 2STEEL OR MASONRY 10' 3' (SEE NOTE 4)

WOOD 10' 10'

A21A

10'LESS THANWINDOW

10' MIN.

SEE TABLE 1

VENT INTAKE OR EXHAUST

10' MIN.

10' MIN.

NOTES:

1. THE TRANSFORMER SHALL BE INSTALLED SO THAT THE FRONT OF THE UNIT DOES NOT FACE THE BUILDING.2. ADEQUATE PASSAGEWAYS TO ACCOMMODATE LINE TRUCKS OR OTHER NECESSARY LIFTING AND HAULING EQUIPMENT SHALL

BE PROVIDED TO ALLOW FOR MAINTENANCE, OPERATION, OR REPLACEMENT. NO PORTION OF THE BUILDING SHALL EXTEND

3. 20' MINIMUM DIMENSION REQUIRED FOR FIRE ESCAPES. 10' MINIMUM DIMENSION REQUIRED FOR OPEN STAIRWAYS. 4. THERE SHALL BE NO ABOVE GROUND OBSTRUCTIONS WITHIN 10 FEET OF THE FRONT OF THE TRANSFORMER OR WITHIN

3' OF THE SIDES AND BACK. IF METERING TROUGH IS LOCATED BEHIND TRANSFORMER, MINIMUM CLEARANCE BETWEEN BACK OF

ELEVATION VIEW

PLAN VIEW

TABLE 1

6/29/10

LOCATION OF OIL FILLED

PAD-MOUNTED TRANSFORMERSSIMMONS GUINN ELKINS

OVER THE TRANSFORMER.

ORDINANCES AFFECTING THE INSTALLATION.5. IT SHALL BE THE CUSTOMER'S RESPONSIBILITY TO COMPLY WITH ANY INSURANCE REGULATIONS, BUILDING CODES, AND LOCAL

6. FOR STATE-OWNED BUILDINGS IN NC, STATE CODES REQUIRE 30 FEET CLEARANCE BETWEEN BUILDING AND TRANSFORMER.

0

2

1


7. 10' MINIMUM DIMENSION REQUIRED FOR GENERATORS AND GENERATOR FUEL TANKS.

3

(SEE NOTE 8)7.5' MIN.

(SEE NOTE 8)7.5' MIN.

8. THIS CLEARANCE CAN BE REDUCED TO 3' WHERE CONDITIONS DO NOT PERMIT 7.5'.

TRANSFORMER AND CLOSEST PART OF TROUGH IS 6 FEET.


27.06-05

DEFDEP

X

DEMDEC8/6/14 EANES EANES ADOCK

BUILDING WALL

TRANSFORMER PAD

TRANSFORMER

1'-0"

1'-0"

4'-0"

3'-0" 4" GALV.STEEL CONDUIT CUT TO

7'-0" LENGTH

FILL 12" DIA.MIN. HOLE AND 4"

DIA. CONDUIT WITH3000 PSI CONCRETE.SLIP BUMPER SLEEVE

OVER TOP OF CONDUIT(SEE NOTE 7)

SEE NOTE 1

PLAN VIEW

3" MIN.CONCRETE

STANDARD POLE

DWG.

27.06-06

ALL AROUND

ALL AROUND

REMOVABLE POLE

CONCRETE3" MIN.

7'-0" LENGTHSTEEL CONDUIT CUT TO

4" GALV.

3'-0"

4'-0"

NOTES:

2. TRANSFORMER PROTECTION POLES SHOULD BEINSTALLED ON ALL SIDES OF THE TRANSFORMERWHICH ARE SUBJECT TO VEHICULAR TRAFFIC.

3. POLES SHOULD BE PAINTED YELLOW.

4. THESE PROTECTIVE POLES SHALL BE PROVIDEDAND INSTALLED BY THE CUSTOMER.

5" SCH 80 PVC CONDUIT CUT TO

3'-0" LENGTH

6" COMPACTEDSTONE OR GRAVEL

5. CUSTOMER MAY PROVIDE AN ALTERNATE DESIGNFOR A REMOVABLE BARRIER, BUT MUST BEAPPROVED BY THE FIELD ENGINEER.

1'-0"

MAX. 4'-10" MAX. 4'-10"

4/12/10

PROTECTIVE POLES FOR OIL FILLED

PAD-MOUNTED TRANSFORMERSSIMPSON SIMPSON ELKINS

CN 21002407

CN 21002407

0

3

2

1


1. ON THREE-PHASE PAD-MOUNTED TRANSFORMERS,

2'-0" IN FRONT OF THE TRANSFORMERBETWEEN THE DOORS TO ACCOMMODATETHE DOOR SWING AND SHALL BE REMOVABLE.

THIS POLE SHOULD BE CENTRALLY LOCATED

POLE SHOULD BE LOCATED APPROXIMATELY3'-6" IN FRONT OF THE TRANSFORMER (NO

ON SINGLE-PHASE TRANSFORMERS, THIS

LESS THAN 3').

6. ANY SINGLE AND THREE-PHASE PAD-MOUNTED TRANSFORMERS THAT ARE EXPOSED TO PAVED AREAS AND/OR VEHICULAR TRAFFIC SHALL HAVE PROTECTIVE BARRIERS PROVIDED AND INSTALLED BY THE CUSTOMER.

1/27/12 SIMPSON

5'-2"MAXIMUM

5'-2"MAXIMUM

SIMPSON ELKINS

5/25/12 BURLISON ELKINS

FILL 12" DIA.MIN. HOLE AND 4"

DIA. CONDUIT WITH3000 PSI CONCRETE.SLIP BUMPER SLEEVE

OVER TOP OF CONDUIT(SEE NOTE 7)

7. PLACE A 4" X 52" YELLOW BUMPER SLEEVE

FILLED CONDUIT.(CN 9220192305) OVER THE CONCRETE

48" MIN.

JUNCTIONBOX AND PADTHREE-PHASE


NOTES:

4. PT'S AND CT'S SHALL BE INSTALLED INSIDE SECONDARY COMPARTMENT OF TRANSFORMER.

SECONDARYCOMPARTMENT

DWG.

27.06-08

3. THE COMPANY TO OWN, FURNISH, AND INSTALL ALL CONNECTIONS AND CONDUCTORS CONNECTING THECUSTOMER'S BUS BAR INSIDE THE JUNCTION BOX TO THE SECONDARY TERMINALS OF THE PAD-MOUNTEDTRANSFORMER. THE COMPANY WILL ALSO PROVIDE ALL TRENCHING REQUIRED BETWEEN THE PAD-MOUNTEDTRANSFORMER AND THE JUNCTION BOX.

11/16/10

THREE-PHASE PAD-MOUNTEDTRANSFORMER WITH CUSTOMER'S SECONDARY

CABLE TERMINATION BOX INSTALLATIONSIMPSON SIMPSON ELKINS

R

0

3

2

1


1. THE NORMAL POINT OF DELIVERY FOR AN INDIVIDUAL CUSTOMER SERVED BY A THREE-PHASE PAD-MOUNTEDTRANSFORMER INSTALLED SOLELY TO SERVE THE CUSTOMER WILL BE AT THE SECONDARY TERMINALS OF THETRANSFORMER.

2. IF THE CUSTOMER'S CONDUCTORS EXCEED THE NUMBER ALLOWED IN THE SECONDARY COMPARTMENT OF THETRANSFORMER, THE CUSTOMER MUST FURNISH AND INSTALL A SECONDARY JUNCTION BOX. THE COMPANYWILL OWN AND INSTALL CONDUCTORS TO THE SECONDARY JUNCTION BOX AND MAKE CONNECTIONS TO THE

5. CUSTOMER TO FURNISH AND INSTALL JUNCTION BOX, PAD AND ANY OTHER ASSOCIATED EQUIPMENT.

BUS BARS IN THE JUNCTION BOX.

JUNCTION BOXES ARE AVAILABLE AT ANY ELECTRICAL SUPPLY HOUSE. THE COMPANY WILL SPECIFY HOW MANY CONDUCTORS WILL CONNECT TO IT AND THEN THE CUSTOMER CAN BUY A BOX.

DWG.

27.06-09

NOTES:

1. IF THE RECOMMENDED CONDUCTOR LIMITS ABOVE ARE EXCEEDED, THE CUSTOMER MUST CONSIDERINSTALLING A JUNCTION BOX. THE JUNCTION BOX AND ALL ASSOCIATED EQUIPMENT (BOX, BUS, CONNECTORS,RACEWAY, PAD, PAD GROUNDS AND ALL CONNECTIONS) SHOULD BE OWNED, INSTALLED AND MAINTAINED BYTHE CUSTOMER AS SHOWN ON DWG. 27.06-08.

4/12/10 SIMPSON SIMPSON ELKINS

RECOMMENDED NUMBER OF CUSTOMERCONDUCTORS IN SECONDARY COMPARTMENT

OF THREE-PHASE PAD-MOUNTED TRANSFORMERS

PER PHASE IN PAD-MOUNTED TRANSFORMERSRECOMMENDED NUMBER OF CUSTOMER CONDUCTORS

TRANSFORMER SIZEPAD-MOUNTED

(KVA)

300

500

1000

750

1500

2500

150

20

20

8

8

8

75

6

6

6

NUMBER OFHOLES IN

SECONDARYBUSHING SPADE

3750 20

0

3

2


2. SEE DWG. 27.06-12 FOR TRANSFORMER SECONDARY SPADE BLOCK TERMINALS.

480Y/277

NUMBER OFHOLES IN

SECONDARYBUSHING SPADE

208Y/120

3. MAXIMUM CUSTOMER CONDUCTOR SIZE IS 750 KCMIL CU/AL.

4. PARALLELED CUSTOMER CONDUCTORS MUST BE "RUNG OUT" PRIOR TO ENERGIZING TO PREVENT CROSSPHASING.

N/A

N/A

10

20

8

6

6

6

N/A

16

16

12

12

12

12

12

12

16

480Y/277

N/A

N/A

16

16

12

12

12

12

N/A

208Y/120

5. SIX-CONDUCTOR SECONDARY SPADE BLOCK TERMINALS REQUIRE THAT A MINIMUM OF SIX BOLT HOLES BEATTACHED TO SECONDARY BUSHING SPADE OF TRANSFORMER. EIGHT-CONDUCTOR BLOCKS REQUIRE AMINIMUM OF EIGHT BOLT HOLES BE ATTACHED TO SECONDARY BUSHING OF TRANSFORMER.



6. ALL NEW THREE-PHASE PADMOUNT TRANSFORMERS WITH A 4160Y/2400 VOLT SECONDARY HAVE SECONDARYLIVE-FRONT BUSHINGS WITH A 4-HOLE SPADE (0.56" DIAMETER BOLT HOLES ON 1.75" CENTERS).

4 8/27/12 SIMMONS BURLISON ELKINS

NOTES:

1. ALUMINUM TERMINAL WILL ACCEPT #1/0-#750 KCMIL AL. & CU. TORQUE CONDUCTOR SET SCREWS PER THE

DWG.

27.06-12

BOLT ASSEMBLYDETAIL "A"

TRANSFORMER SECONDARY SPADE

BLOCK TERMINALS

WASHERFLAT

WASHER

2. FOR COPPER TO ALUMINUM AND ALUMINUM TO ALUMINUM FLAT CONNECTIONS, SEE DWGS. 03.02-09A AND03.02-09B.

3. ALWAYS APPLY GRIT INHIBITOR ( CN 30524607) ON ALUMINUM CONDUCTORS AFTER WIRE BRUSHING.

5. RE-USE SECONDARY BLOCK TERMINALS WHEN POSSIBLE. CHECK FOR STRIPPED OR CROSSED THREADS ON THE CONDUCTOR SET SCREWS. CLEAN WITH BRUSH TO REMOVE ANY CONTAMINANTS.

4. ALWAYS APPLY NO GRIT INHIBITOR ( CN 30524300) ON COPPER CONDUCTORS AFTER WIRE BRUSHING.

6. PARALLELED CUSTOMER CONDUCTORS MUST BE "RUNG OUT" PRIOR TO ENERGIZING TO PREVENT CROSSPHASING.

0

3

2

1


RECOMMENDED TORQUE (FT.-LBS.)

3040

CONDUCTOR SIZE

#12 - 350500 - 750

SET SCREW TORQUE VALUES

TABLE ABOVE.

COMPATIBLE UNIT

KXB6W7510C

CONNECTIONS

SIX HOLEEIGHT HOLE

SECONDARY SPADE BLOCK TERMINAL

CATALOG NUMBER

11174307050856KXB8W75C


6/26/13 ROBESON GUINN ADCOCK

1/2"

1-3/4"

6.19"

5/16" DIA.

9.25"

1.81"

STAINLESS STEELBELLEVILLE WASHERUNDER THE NUT

TINNED TRANSFORMER SPADE

(SEE DETAIL "A")

STEEL FLATSTAINLESS

(BOLT TO BE PLACED INEACH HOLE SHARED WITH TRANSFORMER BUSHING)

WASHER

Xl

1/2" STAINLESS STEEL BOLT

STAINLESS STEEL FLATWASHER UNDER THE BOLTHEAD (TIGHTEN TO 40FT.-LBS. OF TORQUE)

(SEE DETAIL "A")

BELLEVILLE

27.06-16REVISED BY CK'D APPR.

DWG.

1

2

3

0 6/29/10 SIMMONS GUINN ELKINS

THREE-PHASE, THREE-WIRE 480 VOLT SERVICE R

THREE-PHASE, THREE WIRE 480 VOLT SERVICE IS SPECIFICALLY LISTED IN THE CUSTOMER SERVICE HANDBOOKAS "READILY AVAILABLE FOR ALL METERED DEMAND LOADS AND CAN BE SUPPLIED BY MEANS OF A PAD-MOUNTEDTRANSFORMER WHEN THREE-PHASE, FOUR WIRE PRIMARY IS AVAILABLE."

IT IS A SOMEWHAT COMMON REQUEST FROM CUSTOMERS FOR THREE-PHASE, THREE WIRE 480 VOLT SERVICE. IT IS EASILY DELIVERED FROM A PAD-MOUNTED TRANSFORMER WITH SEPARATE H0 AND X0 BUSHINGS. THETRANSFORMER GROUP SPECIFICATIONS FOR TRANSFORMERS INCLUDE PROVISIONS FOR SEPARATE H0 AND X0BUSHINGS TO MAKE IT EASY TO PROVIDE THIS SERVICE WITH NO TRANSFORMER MODIFICATIONS.

PAD-MOUNTED TRANSFORMERS ARE WOUND WYE-WYE, SO A THREE WIRE DELTA SERVICE CANNOT BE PROVIDED. HOWEVER, BY FLOATING THE SECONDARY NEUTRAL, A GROUNDED WYE-FLOATING WYE 480 VOLT THREE WIRE SERVICE IS PROVIDED. IN ACTUAL APPLICATION A FLOATING WYE THREE WIRE SERVICE IS EQUIVALENT TO ADELTA THREE WIRE SERVICE.

LABELS

SERVICE IS PROVIDED. IF TRANSFORMER IS EVER REMOVED FROM SERVICE AND RESTOCKED, THE LABEL MUSTBE REMOVED AND GROUNDLINK REINSTALLED (ON TYPE II TRANSFORMERS).

SEE DWG. 27.06-28 FOR A LABEL TO AFFIX TO TRANSFORMER WHEN A THREE-PHASE, THREE WIRE 480 VOLT

BUSHING GROUND STRAP. THE SECONDARY NEUTRAL BUSHING MUST BE UNGROUNDED SO FAULT CURRENTWYE. THE SECONDARY NEUTRAL BUSHING MUST BE CLEAR OF ALL CONNECTIONS, INCLUDING THE SECONDARY

2. IF THE TRANSFORMER IS CONNECTED FOR THREE WIRE SERVICE, THE SECONDARY IS CONNECTED FLOATING

NOTES:

3. A TRANSFORMER CONNECTED FOR THREE WIRE SERVICE (NO NEUTRAL) CANNOT SUPPLY FOUR WIRE SERVICES.

AØ

BØ

CØ

NEUTRAL

STRAP TOTANKS

CONNECTIONTO PADNEUTRAL

PHASE WIRES

TRANSFORMER CUSTOMER'S PANEL

TRANSFORMER MUST NOT HAVEANY WIRES CONNECTED TOSECONDARY NEUTRAL BUSHING

A SINGLE BONDING WIRE (BARE OR GREEN)

FAULT CURRENTFLOW

BARE STEEL

IS BONDEDCONDUIT

4. OPERATIONS PERSONNEL SHALL RUN A BONDING CONDUCTOR (#4 BC) FROM THE GROUND LOOP TO THE

5. ONLY PAD-MOUNTED TRANSFORMERS WITH SEPARATE PRIMARY AND SECONDARY NEUTRAL BUSHINGS SHOULD

HO XO

BE USED TO PROVIDE THREE WIRE SERVICES. SEE DWGS. 27.06-26 AND 27.06-28 FOR ADDITIONALINFORMATION ON TRANSFORMERS THAT DO NOT HAVE SEPARATE HO-XO BUSHINGS.

THREE WIRE SERVICES,

FLOATING WYE CONNECTIONO

2

1


6. CUSTOMER SHOULD BE AWARE THAT A THREE WIRE SERVICE SHOULD ONLY BE USED IN SPECIAL CASES.

METERING LOCATION TO BOND THE METER BOX MOUNTED ON THE WALL OF THE TRANSFORMER. TANK. IF THEMETER BOX IS MOUNTED TO THE CUSTOMER'S WALL, THE BONDING CONDUCTOR SHALL BE ATTACHED TO THECUSTOMER'S GROUND.

CUSTOMER MUST HAVE A GROUND DETECTION SYSTEM INSTALLED (NEC 250.21). CUSTOMER HAVINGELECTRONIC LOADS SUCH AS VARIABLE SPEED DRIVES OR LIGHTNING CONCERNS SHOULD CONSIDER AGROUNDED WYE CONNECTION.

COMPANY EMPLOYEE/CONTRACTOR WILL NOTRUN THE BONDING JUMPER SHOWN ABOVE.

CUSTOMERS WITH ELECTRONIC EQUIPMENT ARECAUTIONED AGAINST RUNNING THIS CONDUCTOR

HOWEVER, THE CUSTOMER MAY RUN IT ANDTHE COMPANY WILL CONNECT IT TO THE GROUND LOOP IN THE TRANSFORMER.

(SEE NOTE 6).

CONNECT TO #4 BC GROUND LOOP

1. BONDING WIRE SHALL BE ONE CONDUCTOR ONLY, TYPICALLY A SMALL CONDUCTOR EASY TO ATTACH TO #4 BC GROUND LOOP IN PAD-MOUNT.

IF CUSTOMER HAS A HIGH RESISTANCE GROUND DETECTION SYSTEM, THEY WILL WANT TO RUN ONE SMALLCONDUCTOR (EX. #12) TO ATTACH TO XO. THIS IS PERMITTED. GROUND STRAP IS STILL NOT CONNECTED INTHIS CASE. IF THERE ARE ANY QUESTIONS ABOUT THIS, CONTACT DISTRIBUTION STANDARDS.

WILL ONLY FLOW IN THE PHASE WIRES.

(SEE NOTE 2).

3

8/1/14 DANNADANNA ADCOCK

ONE EXCEPTION:

(SEPARATE H0-X0 BUSHING)

TYPE III TRANSFORMER

27.06-20

DEF

X

DEP

X

DEMDEC

DWG.

27.06-24

GROUND FAULT CURRENT TO FLOW. CONDUCTOR FROM THEIR PANEL TO THE TRANSFORMER. THIS NEUTRAL CONDUCTOR PROVIDES A PATH FOR

1. IF THE TRANSFORMER SECONDARY NEUTRAL IS GROUNDED, THE CUSTOMER MUST CONNECT A NEUTRAL

NOTES:

2. A TRANSFORMER CONNECTED FOR FOUR WIRE SERVICE (GROUNDED NEUTRAL) CANNOT SUPPLY THREE WIRE

AØ

BØ

CØ

NEUTRAL

NEUTRAL NEUTRAL

STRAP TOTANKS

CONNECTIONTO PADNEUTRAL

STRAP TO TANK& CONNECTION TOPAD NEUTRAL

NEUTRAL

PHASE WIRES

TRANSFORMER CUSTOMER'S PANEL

JUMPER

IF TRANSFORMER SYSTEM ISGROUNDED, NEUTRAL CONDUCTORIS REQUIRED BY N.E.C. RULE

CURRENT PATH.

BONDING WIRES (BARE OR GREEN)

SHOULD NOT BE RUNBY THE CUSTOMER

GROUND FAULTCURRENT FLOW

BARE STEEL

IS BONDEDCONDUIT

SERVICES.

SEPARATE H0-X0 BUSHINGS.

H0 X0

3. SEE DWGS. 27.06-26 AND 27.06-28 FOR ADDITIONAL INFORMATION ON TRANSFORMERS THAT DO NOT HAVE


FOUR WIRE SERVICES,

GROUNDED WYE CONNECTION0

3

2

1


DO NOT CONNECTSEE NOTE 4

250.24(C) TO PROVIDE FAULT


4. A SEPARATE BONDING CONDUCTOR OR CONDUCTORS ARE NOT NECESSARY. ELECTRICIANS SHOULD

BE ADVISED NOT TO RUN BONDING CONDUCTORS. IF THEY INSIST ON RUNNING BONDING

CONDUCTORS, DO NOT CONNNECT THEM TO ANY COMPANY EQUIPMENT: TAPE THEM UP AND LAY

THEM IN THE BOTTOM OF THE TRANSFORMER TANK.


(SEPARATE H0-X0 BUSHINGS)

5/2/13 SIMPSON SIMPSON ADCOCK

TRANSFORMER GROUND TO Ho BUSHING ONLY.2. TO PROVIDE 3-WIRE SERVICE, REMOVE THE TANK GROUNDING STRAP ON THE X0 BUSHING. ATTACH

1. PRIMARY AND SECONDARY NEUTRALS ARE NOT CONNECTED INTERNAL.

*

NEUTRALSISOLATED

NEUTRAL FLOATINGSTRAP REMOVED

H1 H2 H3 X1 X2 X3

H0

PRIMARY SECONDARY

X0

GROUNDED WYE - GROUNDED WYE GROUNDED WYE - FLOATING WYE*

SECONDARYPRIMARY

H0

X3X2X1H3H2H1

SECONDARYPRIMARY

X3X2X1H3H2H1

GROUNDED WYE - GROUNDED WYE

SERVICE.TO PROVIDE A 3-WIRE. FLOATING WYEGROUND THAT MAKES IT IMPOSSIBLEA PERMANENT INTERNAL SECONDARYTHIS TYPE OF TRANSFORMER HAS

3. TRANSFORMER GROUND IS CONNECTED TO THE Ho Xo BUSHING.

GROUNDED INTERNAL TO THE TANK. THE H0 X0 BUSHING MAY NOT BE INSULATED.1. THE NEUTRAL CONNECTION BETWEEN THE PRIMARY & SECONDARY WINDING MAY BE A BARE CONDUCTOR AND

27.06-26

X0

H0


DWG.

1

2

3

0 6/29/10 SIMMONS GUINN ELKINS

THREE-PHASE PAD-MOUNTED TRANSFORMERSPRIMARY AND SECONDARY WINDING - NEUTRAL

CONNECTIONS VARIATIONS FOR 3-WIRE SERVICES

TYPE I TRANSFORMER


REQUIRES "CAUTION" LABEL FOR TYPE III TRANSFORMER INSTALLED IN SECONDARY COMPARTMENT ( CN 21129812)

(OBSOLETE OLD TRANSFORMER)

R

NOTES:

NOTES:

2. THIS TRANSFORMER CANNOT BE USED TO PROVIDE 3-WIRE SERVICE.

27.06-28REVISED BY CK'D APPR.

DWG.

1

2

3

0

Type III Transformer (Separate HoXo Bushing)

This transformer has been modified externally to provide a floating-wye, three-wire service to the customer.

The tank grounding strap has been removed from the Xobushing and the bushing is not grounded. The Ho bushingin the primary compartment is grounded to provide a ground to the neutral of the primary winding.

Only three wire services may be connected to this transformer.

Certification of correct connection:

If this transformer is removed from service, the tank grounding strap is to be re-installed on the Xo bushingand this label removed. Refer to the transformer section in the Distribution Construction Specifications Manual to determine the "type" of replacement transformer and modification that must be done to provide a three-wirefloating wye service.

CN 21129812

CN 21129713

DFS/Line Inspector

Certification of correct connection:

transformer.Only three wire services may be connected to this

Type II Transformer (Combination HoXo Bushing)

This transformer has been modified internally to provide afloating-wye secondary winding, three-wire service to thecustomer.

The internal secondary grounding link has been removed to isolate the secondary winding from the primary windingneutral and the grounded HoXo bushing. The ground strap and the transformer grounding conductor must be connected to the HoXo bushing to ground the neutral ofthe primary winding.

If this transformer is removed from service, the internalsecondary grounding link must be re-connected and thislabel removed. Refer to the transformer section in theDistribution Construction Specifications Manual to determine the "type" of replacement transformer and modification that must be done to provide a three-wirefloating wye service.

TYPE II

CN 21129713

CN 21129812

TYPE III


THREE-PHASE PAD-MOUNTED TRANSFORMERS PRIMARYAND SECONDARY WINDING -

NEUTRAL CONNECTIONS LABELS FOR 3 WIRE SERVICES

RR

Date

DFS/Line Inspector Date

DWG.

27.06-34A8/9/13 SIMMONS GUINN ADCOCK

2500 KVA, THREE-PHASE, PAD-MOUNTED

TRANSFORMER WITH 4160Y/2400 VOLT SECONDARY0

3

2

1


NOTES:

FRONT VIEW

SIDE VIEW

1. SEE DWG. 27.06-34B FOR ADDITIONAL VIEWS AND NOTES.

4.16KV CONDUCTORSWITH STRESS RELIEF

ON DWG. 27.06-34B.TERMINATIONS. SEE NOTE 4

78"

85"

77"

46"

8"

CN 12952719TU2500DLM14DYJC

2. ALL DIMENSIONS ARE APPROXIMATE. OVERALL WEIGHT ~13,925 POUNDS. GALLONS OF OIL ~569.

4.16KV CONDUCTORS ANDTERMINATIONS TO BEPROVIDED BY CUSTOMER.

DUAL VOLTAGE TRANSFORMER FORUSE ON 12.47KV AND22.86KV SYSTEMS.

SEE NOTE 3

3. IF TRANSFORMER IS INSTALLED AT OPEN POINT IN THE PRIMARY, INSTALL ELBOW ARRESTERS ON H1B,

H2B AND H3B BUSHINGS. IF 12.47KV, USE 10KV ARRESTERS ( CU ARREL10C, CN 11232303). IF 22.86KV,USE 18KV ARRESTERS (CU ARREL18C, CN 11232204).

DWG.

27.06-34B8/9/13 SIMMONS GUINN ADCOCK0

3

2

1


2. TRANSFORMER MUST HAVE REMOVABLE BARRIER BOARD THAT PREVENTS ACCESS TO THE 4.16KV BUSHINGTERMINATIONS WHEN THE 4.16KV COMPARTMENT DOOR IS OPEN. ANY TRANSFORMER FOUND WITHOUT AREMOVABLE BARRIER BOARD MUST HAVE ONE ADDED BY THE GARNER REPAIR SHOP.

3. THE OUTSIDE OF THE 4.16KV COMPARTMENT DOOR AND THE BARRIER BOARD MUST HAVE A DANGER LABEL

4. 4.16KV CABLES MUST HAVE STRESS RELIEF TERMINATIONS AND BE TERMINATED TO THE 4.16KV BUSHINGSWITH 2-HOLE LUGS ATTACHED WITH STAINLESS STEEL BOLTS TORQUED TO 40 FT/LBS.

NOTES:

1. SEE DWG. 27.06-34A FOR FRONT AND SIDE VIEWS.


FRONT VIEW4.16KV COMPARTMENT DOOR OPEN

FRONT VIEWDOORS CLOSED

(CN 9220247755) APPLIED AT EYE-LEVEL.

SHOWING BARRIER BOARD

SEE NOTE 3

REMOVABLE BARRIER BOARD WITH DANGER LABEL.SEE NOTES 2 AND 3.

2500 KVA, THREE-PHASE, PAD-MOUNTED

TRANSFORMER WITH 4160Y/2400 VOLT SECONDARY


DWG.

1

27.06-14

2

3

0

1. THE MINIPAD THREE-PHASE TRANSFORMER IS ONLY AVAILABLE WITH THE FOLLOWING RATINGS:

2. LIMIT SECONDARY WIRING TO NO MORE THAN 4 CONDUCTORS PER PHASE.

3. THE METER MOUNTING RACK AND METER BOX WILL BE FURNISHED AND INSTALLED BY METERING OPERATIONS.

METER MOUNTING RACKMETER BASE AND METER

METER MOUNTING RACK(SEE NOTE 3)


MINIPAD THREE-PHASE TRANSFORMER (FMO)

NOTES:

RR

COMPATIBLE UNIT

15075

KVA75

TU75MP3M23YBCTU150MP3M23YBC

TU75MP3M12YBCCATALOG NUMBER

1295180212951901

9220127645PRIMARY VOLTAGE SECONDARY VOLTAGE

208Y/120208Y/120208Y/120

12,470GRDY/7200

22,860GRDY/13,20022,860GRDY/13,200

4. DUE TO SPACE LIMITATIONS WITHIN THE CABINET, USING THESE UNITS AS PERMANENT LOOP OPEN POINTSSHOULD BE AVOIDED.

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