Residential Wireman Electrical Exam - Larry Bobo
Study online at https://quizlet.com/_5ytcid
1. The minimum size equipment grounding conductor for a 100 ampere,
120/240 volt single phase underground dwelling feeder whose ungrounded
conductors have been increased in size from 3 AWG copper to 1 AWG copper
is __ AWG copper
Ampacities, Grounding
250.122(B) Table 250.122 Table 8 Ch 9: 4
2. The continuity of the grounded conductor shall depend on a busbar or __
only.
Continuity, Grounded conductors
200.12: wire.
3. Each multi-wire branch circuit shall be provided with a means that will ____
disconnect all ungrounded conductors at the point where the branch circuit
originates.
Disconnecting means, Branch circuits, multiwire 210.4(B): Simultaneously
4. Balconies, decks, and porches that are accessible from the inside of the
dwelling unit shall have at least one receptacle not more than __ ft. above the
balcony, deck, or porch surface.
Balconies, outdoor, receptacles for,
210.52(E)(3): 6 1/2
5. Where it is impracticable to locate the service head above the point of
attachment, the service head location shall be permitted not farther than ___
inches from the point of attachment.
Service drops, Connections, service head
230.54 (C) Exception: 24
6. True/False: One of the means by which grounding conductors and bonding
jumpers shall NOT be connected by is machine screw type fasteners.
Connection of Grounding and Bonding Equipment 250.8: False
7. Cables with entirely nonmetallic sheaths are permitted to enter the top of
a surface-mounted enclosure through one or more nonflexible raceways not
less than 450 mm (18 in.) and not more than __ feet in length
Cabinets, Cutout Boxes, and Meter Socket Enclosures. 312.5(C): 10
8. The maximum allowable overcurrent protection for four 14/2 NM cables
installed in contact with thermal insulation without maintaining spacing be-
tween cables is:
, Residential Wireman Electrical Exam - Larry Bobo
Study online at https://quizlet.com/_5ytcid
Nonmetallic-sheathed cable, Insulation, Ampacity,
334.112, 334.80: 15
9. What kind of protection is required for an outdoor receptacle located under
the soffit of a dwelling for holiday lighting?
Ground-fault circuit interrupters, Outdoors, dwelling units,
210.8(A)(3): GFCI
10. The minimum rating for a service disconnecting means for a building, other
than a single family dwelling, consisting of three 2 wire circuits shall be__
amperes.
Service equipment, Rating,
230.79(D): 60
11. Where ungrounded conductors are increased in size, equipment ground-
ing conductors shall be increased in size ___.
Grounding conductors, 250-III, Sizes, 250.122 250.122(B): proportionately
12. True/ False: Unless listed for the control of other loads, general use dimmer
switches, shall only be used to control permanently installed incandescent
luminaires.
Dimmers, Switch
404.14(E): True
13. In what areas of a dwelling shall 125-volt, single phase, 15 and 20 ampere
outlets not be required to be protected by an arc-fault circuit interupter?
Dwellings, Arc-fault circuit-interrupter protection, 210.12(A) 210.12(A): Hall-
ways
14. A ground ring encircling the building or structure, in direct contact with the
earth, shall consist of at least 20 feet of bare copper conductor NOT smaller
than __ AWG.
Ground ring
250.52(A)(4): 2
15. The minimum size copper equipment grounding conductor required for
a 15-ampere branch circuit installed in rigid metal conduit that supplies a
swimming pool pump motor is __ AWG.
Swimming pools, fountains, and similar installations, 680.21(A)(1): 12
Study online at https://quizlet.com/_5ytcid
1. The minimum size equipment grounding conductor for a 100 ampere,
120/240 volt single phase underground dwelling feeder whose ungrounded
conductors have been increased in size from 3 AWG copper to 1 AWG copper
is __ AWG copper
Ampacities, Grounding
250.122(B) Table 250.122 Table 8 Ch 9: 4
2. The continuity of the grounded conductor shall depend on a busbar or __
only.
Continuity, Grounded conductors
200.12: wire.
3. Each multi-wire branch circuit shall be provided with a means that will ____
disconnect all ungrounded conductors at the point where the branch circuit
originates.
Disconnecting means, Branch circuits, multiwire 210.4(B): Simultaneously
4. Balconies, decks, and porches that are accessible from the inside of the
dwelling unit shall have at least one receptacle not more than __ ft. above the
balcony, deck, or porch surface.
Balconies, outdoor, receptacles for,
210.52(E)(3): 6 1/2
5. Where it is impracticable to locate the service head above the point of
attachment, the service head location shall be permitted not farther than ___
inches from the point of attachment.
Service drops, Connections, service head
230.54 (C) Exception: 24
6. True/False: One of the means by which grounding conductors and bonding
jumpers shall NOT be connected by is machine screw type fasteners.
Connection of Grounding and Bonding Equipment 250.8: False
7. Cables with entirely nonmetallic sheaths are permitted to enter the top of
a surface-mounted enclosure through one or more nonflexible raceways not
less than 450 mm (18 in.) and not more than __ feet in length
Cabinets, Cutout Boxes, and Meter Socket Enclosures. 312.5(C): 10
8. The maximum allowable overcurrent protection for four 14/2 NM cables
installed in contact with thermal insulation without maintaining spacing be-
tween cables is:
, Residential Wireman Electrical Exam - Larry Bobo
Study online at https://quizlet.com/_5ytcid
Nonmetallic-sheathed cable, Insulation, Ampacity,
334.112, 334.80: 15
9. What kind of protection is required for an outdoor receptacle located under
the soffit of a dwelling for holiday lighting?
Ground-fault circuit interrupters, Outdoors, dwelling units,
210.8(A)(3): GFCI
10. The minimum rating for a service disconnecting means for a building, other
than a single family dwelling, consisting of three 2 wire circuits shall be__
amperes.
Service equipment, Rating,
230.79(D): 60
11. Where ungrounded conductors are increased in size, equipment ground-
ing conductors shall be increased in size ___.
Grounding conductors, 250-III, Sizes, 250.122 250.122(B): proportionately
12. True/ False: Unless listed for the control of other loads, general use dimmer
switches, shall only be used to control permanently installed incandescent
luminaires.
Dimmers, Switch
404.14(E): True
13. In what areas of a dwelling shall 125-volt, single phase, 15 and 20 ampere
outlets not be required to be protected by an arc-fault circuit interupter?
Dwellings, Arc-fault circuit-interrupter protection, 210.12(A) 210.12(A): Hall-
ways
14. A ground ring encircling the building or structure, in direct contact with the
earth, shall consist of at least 20 feet of bare copper conductor NOT smaller
than __ AWG.
Ground ring
250.52(A)(4): 2
15. The minimum size copper equipment grounding conductor required for
a 15-ampere branch circuit installed in rigid metal conduit that supplies a
swimming pool pump motor is __ AWG.
Swimming pools, fountains, and similar installations, 680.21(A)(1): 12