Copyright 2005 Ted "Smitty" Smith Practice Code Look Up Two Minute Drill #6.
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Transcript of Copyright 2005 Ted "Smitty" Smith Practice Code Look Up Two Minute Drill #6.
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Copyright 2005 Ted "Smitty" Smith
Practice Code Look Up
Two Minute Drill #6
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Copyright 2005 Ted "Smitty" Smith
Directions• Left click on the presentation ICON located at the
bottom of the slide directory to the left of the this slide.
• Each slide will transition to the correct answer automatically in 2:00 minutes. The correct answer will transition in 5 seconds.
• Do not worry about writing down the correct answer for now. You will have the opportunity to do that at the end of the two minute drill
• Good luck
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Further More• You have seen all of these questions before.
This time the slides will transition at different rates of speed. Remember do not worry about writing down the right answer for now. When you reach the end all of the slides will be repeated without the timer so you can take your time to find the ones you missed and write down the correct answers then.
Copyright 2005 Ted "Smitty" Smith
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Copyright 2005 Ted "Smitty" Smith
Raceways• LFMC shall be securely fastened in place by
an approved means with in _______ inches of each box, cabinet, conduit body, or other conduit termination.
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Copyright 2005 Ted "Smitty" Smith
Raceways• 12” 350.30(A)
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Copyright 2005 Ted "Smitty" Smith
Equipment• Any wiring behind heating or heating panel
sets located in interior walls or partitions shall be considered as operating at an ambient temperature of _______________ degrees Celsius and the ampacity shall be calculated on the basis of the correction factors given Article 310.
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Copyright 2005 Ted "Smitty" Smith
Equipment• 40 degrees 424.95(B)
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Copyright 2005 Ted "Smitty" Smith
Overcurrent Protection• According to Article ___________________
of the 2005 NEC, nonstandard fuses are permitted.
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Copyright 2005 Ted "Smitty" Smith
Overcurrent Protection• True 240.6(A)
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Copyright 2005 Ted "Smitty" Smith
Services• A cable tray may serve to carry service-
entrance conductors along with other conductors as long as there is a ________.
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Copyright 2005 Ted "Smitty" Smith
Services• Barrier 230.44Ex
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Copyright 2005 Ted "Smitty" Smith
Services• True of False, the disconnect for a TVSS is
not counted as one of the six disconnects allowed for a service.
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Copyright 2005 Ted "Smitty" Smith
Services• True 230.71(A)
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Copyright 2005 Ted "Smitty" Smith
Services• The service head for entrance-conductors
should be located above the point of attachment but may be located elsewhere as long as the attachment is within __________ feet.
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Copyright 2005 Ted "Smitty" Smith
Services• 2 feet 230.54(C) Ex
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Copyright 2005 Ted "Smitty" Smith
Grounding• For multiple separately derived systems the
common grounding electrode conductor shall not be smaller than __________________.
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Copyright 2005 Ted "Smitty" Smith
Grounding• 3/0 CU or 250Kcm AL 250.30(A)(4)(a)
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Copyright 2005 Ted "Smitty" Smith
Raceways• The minimum burial depth for a nonmetallic
raceway with no vehicular traffic shall be __________________ inches.
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Copyright 2005 Ted "Smitty" Smith
Raceways• 4" Table 300.5 Col. 3
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Copyright 2005 Ted "Smitty" Smith
Calculations• A conductor passing through a junction box
with a loop length of ______________ shall be counted twice for box fill calculations.
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Copyright 2005 Ted "Smitty" Smith
Calculations• Twice the minimum length required by Article
300.14
• 314.16(B)(1)
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Copyright 2005 Ted "Smitty" Smith
Grounding• When bonding equipment, __________shall
not be used for this connection and the termination shall not depend solely on__________________.
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Copyright 2005 Ted "Smitty" Smith
Grounding• Sheet metal screws, solder 250.8
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• The size of a feeder, grounded conductor
shall not be smaller than required by_________, except that _________ shall not apply where grounded conductors are run in parallel.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• 250.122, 250.122(F) 215.2(A)
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• Where the premises wiring system has
branch circuits supplied from more than one nominal voltage system, each ungrounded conductor of a branch circuit, where accessible, shall be identified by __________.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• System 210.5(C)
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• The size of the industrial control panel supply
conductor shall have an ampacity not less than ________ percent of the full load current of all resistance heating loads plus 125% of the full load current rating of the highest rated motor plus the sum of the full load current ratings of all connected motors and apparatus based on their duty cycle that may be in operation at the same time.
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• 125% 409.20
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• A ballast in a fluorescent luminaire that is
used for egress lighting and energized only during a failure of the normal supply shall not have ________________.
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Thermal Protection 410.73(E)(4)
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Copyright 2005 Ted "Smitty" Smith
Grounding• The earth shall not be considered as an
effective ground fault current path. True or False
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Copyright 2005 Ted "Smitty" Smith
Grounding• True 250.4(A)(5)
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Copyright 2005 Ted "Smitty" Smith
Overcurrent Protection• Can the next standard sized overcurrent
protective device be used to protect tap conductors for transformer secondary conductors?
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Copyright 2005 Ted "Smitty" Smith
Overcurrent Protection• NO 240.21(C)
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Copyright 2005 Ted "Smitty" Smith
Grounding• All grounding electrodes as described in 250.
52(A)(1) through 250.52(A)(6) that are ____________ at each building or structure served shall be bonded together to form the grounding electrode system.
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Copyright 2005 Ted "Smitty" Smith
Grounding• Present 250.50
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Handhold enclosure covers shall have an
_____________________ that prominently identifies the function of the enclosure.
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• identifying mark or logo 314.30(D)
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Copyright 2005 Ted "Smitty" Smith
Conductors and Cable Assemblies
• Type MC cable does not have to be supported if it is not more than 2 feet long and it is being used to provide flexibility to a termination. True or False
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Copyright 2005 Ted "Smitty" Smith
Conductors and Cable Assemblies
• True 320.30(D)
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Wiring installed in aircraft hangars in unclassified
locations that are adjacent to areas in which flammable liquids or vapors are not likely to be released, such as stock rooms or electrical control rooms, which are adequately ventilated and are effectively cut off from the hangar itself by walls or partitions, shall be permitted to be of any suitable type wiring method recognized by chapter 3 of the NEC. True or False
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• True Exception to 513.7
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• A 1/2" knockout will be made in a fluorescent
light fixture that will be mounted over a junction box. The light fixture will be mounted with toggle bolts. A 1/2" chase nipple will be installed so that the conductors from the box can be brought into the fixture for make up. Is this is legal installation according to the NEC?
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• No 410.14(A)
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Is thermal protection required for the ballast
of a fluorescent exit light?
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• No 410.73(E)(3)
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• The 480 volt auxiliary equipment of an
electric discharge lamp is permanently installed in a luminaire and the luminaire is mounted on a pole for the illumination of a highway. What is the minimum height above the ground the auxiliary equipment must be mounted?
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• 22 ft 210.6(D)(1)(a)
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Is the terminal of an electric discharge lamp
rated in excess of 1000V considered to be a live part according to the NEC?
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Yes 410.80 (C)
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Copyright 2005 Ted "Smitty" Smith
Grounding• Is an equipment grounding conductor
required to be installed in listed metal flexible conduit that is 2 feet in length and is used only to provide flexible connection to a motor?
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Copyright 2005 Ted "Smitty" Smith
Grounding• Yes 250.118(5)(d)
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Copyright 2005 Ted "Smitty" Smith
Grounding• Exposed, non-current carrying, metal parts of
motion picture projection equipment that is fastened in place shall be grounded regardless of voltage. True or False
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Copyright 2005 Ted "Smitty" Smith
Grounding• True 250.112 (H
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Copyright 2005 Ted "Smitty" Smith
Grounding• Exposed, non-current carrying, metal parts of
equipment that is connected by cord and plug, regardless of voltage, that is installed in non-hazardous locations shall be grounded. True or False
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Copyright 2005 Ted "Smitty" Smith
Grounding• False 250.114 (1) and (2)
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Copyright 2005 Ted "Smitty" Smith
Grounding• The connection of a grounding electrode
conductor or bonding jumper to fire-proofed structural steel shall not be required to be accessible if it is made with an irreversible compression connection. True or False
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Copyright 2005 Ted "Smitty" Smith
Grounding• True 250.68 (A) Exep. 2
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Copyright 2005 Ted "Smitty" Smith
Grounding• A ground rod of 8 feet in length must be
installed so that the connection point of the grounding electrode conductor remains accessible and above the ground. True or False
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Copyright 2005 Ted "Smitty" Smith
Grounding• False 250.53 (G) and 250.68 (A) Exp. 1
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Handhold enclosure covers shall have an
_____________________ that prominently identifies the function of the enclosure.
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• identifying mark or logo 314.30(D)
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Copyright 2005 Ted "Smitty" Smith
Grounding• The ground fault current path of the
equipment grounding system is intended to return fault current back to the earth. True or False
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Copyright 2005 Ted "Smitty" Smith
Grounding• False 250.2 Back to the source
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• Where calculations result in a fraction of an
ampere that is less than __________, such fractions shall be permitted to be dropped.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• .5 220.5(B)
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• Outlets for heavy duty lamp holders shall be
calculated at a minimum of _______ volt-amperes.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• 600 220.14(E)
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• A load not less than ___________ volt
amperes shall be included for each 2-wire laundry branch circuit installed as required by 210.11(C)(2).
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• 1500 220.52(B)
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• An alternate load calculation for determine if
the existing service or feeder is of sufficient capacity to serve additional loads in an existing dwelling unit is found in __________________.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• 220.83 220.83
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• The rules for calculating the load on fixed
multi-outlet assemblies are found in _______________.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• 220.14(H) 220.14(H)
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Copyright 2005 Ted "Smitty" Smith
The End• Each of the slides will now be repeated.
• They are not timed in this segment. To change a slide, click on the side with your left mouse button.
• Be sure to physically look up the answers in your code book to improve your look up speed and skill.
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Copyright 2005 Ted "Smitty" Smith
Raceways• LFMC shall be securely fastened in place by
an approved means with in _______ inches of each box, cabinet, conduit body, or other conduit termination.
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Copyright 2005 Ted "Smitty" Smith
Raceways• 12” 350.30(A)
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Copyright 2005 Ted "Smitty" Smith
Equipment• Any wiring behind heating or heating panel
sets located in interior walls or partitions shall be considered as operating at an ambient temperature of _______________ degrees Celsius and the ampacity shall be calculated on the basis of the correction factors given Article 310.
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Equipment• 40 degrees 424.95(B)
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Copyright 2005 Ted "Smitty" Smith
Overcurrent Protection• According to Article ___________________
of the 2005 NEC, nonstandard fuses are permitted.
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Copyright 2005 Ted "Smitty" Smith
Overcurrent Protection• True 240.6(A)
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Copyright 2005 Ted "Smitty" Smith
Services• A cable tray may serve to carry service-
entrance conductors along with other conductors as long as there is a ________.
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Copyright 2005 Ted "Smitty" Smith
Services• Barrier 230.44Ex
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Copyright 2005 Ted "Smitty" Smith
Services• True of False, the disconnect for a TVSS is
not counted as one of the six disconnects allowed for a service.
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Copyright 2005 Ted "Smitty" Smith
Services• True 230.71(A)
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Copyright 2005 Ted "Smitty" Smith
Services• The service head for entrance-conductors
should be located above the point of attachment but may be located elsewhere as long as the attachment is within __________ feet.
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Copyright 2005 Ted "Smitty" Smith
Services• 2 feet 230.54(C) Ex
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Copyright 2005 Ted "Smitty" Smith
Grounding• For multiple separately derived systems the
common grounding electrode conductor shall not be smaller than __________________.
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Copyright 2005 Ted "Smitty" Smith
Grounding• 3/0 CU or 250Kcm AL 250.30(A)(4)(a)
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Copyright 2005 Ted "Smitty" Smith
Raceways• The minimum burial depth for a nonmetallic
raceway with no vehicular traffic shall be __________________ inches.
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Copyright 2005 Ted "Smitty" Smith
Raceways• 4" Table 300.5 Col. 3
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Copyright 2005 Ted "Smitty" Smith
Calculations• A conductor passing through a junction box
with a loop length of ______________ shall be counted twice for box fill calculations.
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Copyright 2005 Ted "Smitty" Smith
Calculations• Twice the minimum length required by Article
300.14
• 314.16(B)(1)
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Copyright 2005 Ted "Smitty" Smith
Grounding• When bonding equipment, __________shall
not be used for this connection and the termination shall not depend solely on__________________.
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Copyright 2005 Ted "Smitty" Smith
Grounding• Sheet metal screws, solder 250.8
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• The size of a feeder, grounded conductor
shall not be smaller than required by_________, except that _________ shall not apply where grounded conductors are run in parallel.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• 250.122, 250.122(F) 215.2(A)
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• Where the premises wiring system has
branch circuits supplied from more than one nominal voltage system, each ungrounded conductor of a branch circuit, where accessible, shall be identified by __________.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• System 210.5(C)
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• The size of the industrial control panel supply
conductor shall have an ampacity not less than ________ percent of the full load current of all resistance heating loads plus 125% of the full load current rating of the highest rated motor plus the sum of the full load current ratings of all connected motors and apparatus based on their duty cycle that may be in operation at the same time.
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• 125% 409.20
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• A ballast in a fluorescent luminaire that is
used for egress lighting and energized only during a failure of the normal supply shall not have ________________.
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Thermal Protection 410.73(E)(4)
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Copyright 2005 Ted "Smitty" Smith
Grounding• The earth shall not be considered as an
effective ground fault current path. True or False
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Copyright 2005 Ted "Smitty" Smith
Grounding• True 250.4(A)(5)
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Copyright 2005 Ted "Smitty" Smith
Overcurrent Protection• Can the next standard sized overcurrent
protective device be used to protect tap conductors for transformer secondary conductors?
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Copyright 2005 Ted "Smitty" Smith
Overcurrent Protection• NO 240.21(C)
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Copyright 2005 Ted "Smitty" Smith
Grounding• All grounding electrodes as described in 250.
52(A)(1) through 250.52(A)(6) that are ____________ at each building or structure served shall be bonded together to form the grounding electrode system.
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Copyright 2005 Ted "Smitty" Smith
Grounding• Present 250.50
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Handhold enclosure covers shall have an
_____________________ that prominently identifies the function of the enclosure.
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• identifying mark or logo 314.30(D)
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Copyright 2005 Ted "Smitty" Smith
Conductors and Cable Assemblies
• Type MC cable does not have to be supported if it is not more than 2 feet long and it is being used to provide flexibility to a termination. True or False
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Copyright 2005 Ted "Smitty" Smith
Conductors and Cable Assemblies
• True 320.30(D)
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Wiring installed in aircraft hangars in unclassified
locations that are adjacent to areas in which flammable liquids or vapors are not likely to be released, such as stock rooms or electrical control rooms, which are adequately ventilated and are effectively cut off from the hangar itself by walls or partitions, shall be permitted to be of any suitable type wiring method recognized by chapter 3 of the NEC. True or False
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• True Exception to 513.7
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• A 1/2" knockout will be made in a fluorescent
light fixture that will be mounted over a junction box. The light fixture will be mounted with toggle bolts. A 1/2" chase nipple will be installed so that the conductors from the box can be brought into the fixture for make up. Is this is legal installation according to the NEC?
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• No 410.14(A)
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Is thermal protection required for the ballast
of a fluorescent exit light?
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• No 410.73(E)(3)
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• The 480 volt auxiliary equipment of an
electric discharge lamp is permanently installed in a luminaire and the luminaire is mounted on a pole for the illumination of a highway. What is the minimum height above the ground the auxiliary equipment must be mounted?
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• 22 ft 210.6(D)(1)(a)
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Is the terminal of an electric discharge lamp
rated in excess of 1000V considered to be a live part according to the NEC?
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Equipment Use• Yes 410.80 (C)
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Copyright 2005 Ted "Smitty" Smith
Grounding• Is an equipment grounding conductor
required to be installed in listed metal flexible conduit that is 2 feet in length and is used only to provide flexible connection to a motor?
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Copyright 2005 Ted "Smitty" Smith
Grounding• Yes 250.118(5)(d)
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Copyright 2005 Ted "Smitty" Smith
Grounding• Exposed, non-current carrying, metal parts of
motion picture projection equipment that is fastened in place shall be grounded regardless of voltage. True or False
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Grounding• True 250.112 (H
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Copyright 2005 Ted "Smitty" Smith
Grounding• Exposed, non-current carrying, metal parts of
equipment that is connected by cord and plug, regardless of voltage, that is installed in non-hazardous locations shall be grounded. True or False
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Copyright 2005 Ted "Smitty" Smith
Grounding• False 250.114 (1) and (2)
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Copyright 2005 Ted "Smitty" Smith
Grounding• The connection of a grounding electrode
conductor or bonding jumper to fire-proofed structural steel shall not be required to be accessible if it is made with an irreversible compression connection. True or False
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Copyright 2005 Ted "Smitty" Smith
Grounding• True 250.68 (A) Exep. 2
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Copyright 2005 Ted "Smitty" Smith
Grounding• A ground rod of 8 feet in length must be
installed so that the connection point of the grounding electrode conductor remains accessible and above the ground. True or False
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Copyright 2005 Ted "Smitty" Smith
Grounding• False 250.53 (G) and 250.68 (A) Exp. 1
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• Handhold enclosure covers shall have an
_____________________ that prominently identifies the function of the enclosure.
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Copyright 2005 Ted "Smitty" Smith
Equipment Use• identifying mark or logo 314.30(D)
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Copyright 2005 Ted "Smitty" Smith
Grounding• The ground fault current path of the
equipment grounding system is intended to return fault current back to the earth. True or False
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Grounding• False 250.2 Back to the source
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• Where calculations result in a fraction of an
ampere that is less than __________, such fractions shall be permitted to be dropped.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• .5 220.5(B)
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• Outlets for heavy duty lamp holders shall be
calculated at a minimum of _______ volt-amperes.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• 600 220.14(E)
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• A load not less than ___________ volt
amperes shall be included for each 2-wire laundry branch circuit installed as required by 210.11(C)(2).
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• 1500 220.52(B)
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• An alternate load calculation for determine if
the existing service or feeder is of sufficient capacity to serve additional loads in an existing dwelling unit is found in __________________.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• 220.83 220.83
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• The rules for calculating the load on fixed
multi-outlet assemblies are found in _______________.
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Copyright 2005 Ted "Smitty" Smith
Feeders and Branch Circuits• 220.14(H) 220.14(H)
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Copyright 2005 Ted "Smitty" Smith
The End• Each of the slides will now be repeated.
• They are not timed in this segment. To change a slide, click on the side with your left mouse button.
• Be sure to physically look up the answers in your code book to improve your look up speed and skill.