NFPA Chapter 6 Questions and Answers
Q: A duplex receptacle rated 20 amps can be installed on a ______
branch circuit.
✓✓ 20 amp (A210.23 (B) (3))
Q: The continuity of a grounded conductor shall not be dependent on the
device in _____
✓✓ Multiwire branch circuits (A300.13 (B))
Q: In dwelling units, receptacle outlets located more than _____ ft.
above the floor are not counted in the required number or receptacles
along the wall.
✓✓ 5.5 (A210.52)
Q: At least _________________ of free conductor, measured from the
point in the box where it emerges from its raceway or cable sheath, shall
be left at each outlet, junction, and switch point for splices or the
connection of the luminaires or devices.
✓✓ 6 inches (A300.14)
Q: In nonmetallic-sheathed cable, the equipment grounding conductor
for 15-, 20-, and 30-ampere branch circuits_____
✓✓ Must be the same size as the insulated circuit conductors (T250.122)
, Q: a 20-ampere, 125-volt receptacle installed within _________ from
the top inside edge of the bowl of the sink shall have ground-fault circuit-
interrupter protection for personnel
✓✓ 6 ft. (A210.8 (A) (8))
Q: What is the minimum number of 120-volt, 15-ampere branch circuits
required for the lighting and general use receptacle outlets in a one-family
dwelling with an area of 1900 square ft.
✓✓ 3 (A220.41)
Q: Which of the following is not a standard classification for a branch
circuit supplying several loads?
A. 20 amps
B. 25 amps
C. 30 amps
D. 50 amps
✓✓ B. 25 amps (A210.18)
Q: For dwelling units, attached garages, and detached garages with
electric power, at least one lighting outlet controlled by a ________ shall
be installed to provide illumination on the exterior side of outdoor
entrances or exits with grade-level access.
✓✓ Wall mounted control device (A210.70 (A) (2) (2))
Q: Grounding-type receptacles shall be installed only on circuits of
_____________ for which they are rated except as provided in Tables
210.21 (b)(2) and (B)(3)
I. Voltage Class
Q: A duplex receptacle rated 20 amps can be installed on a ______
branch circuit.
✓✓ 20 amp (A210.23 (B) (3))
Q: The continuity of a grounded conductor shall not be dependent on the
device in _____
✓✓ Multiwire branch circuits (A300.13 (B))
Q: In dwelling units, receptacle outlets located more than _____ ft.
above the floor are not counted in the required number or receptacles
along the wall.
✓✓ 5.5 (A210.52)
Q: At least _________________ of free conductor, measured from the
point in the box where it emerges from its raceway or cable sheath, shall
be left at each outlet, junction, and switch point for splices or the
connection of the luminaires or devices.
✓✓ 6 inches (A300.14)
Q: In nonmetallic-sheathed cable, the equipment grounding conductor
for 15-, 20-, and 30-ampere branch circuits_____
✓✓ Must be the same size as the insulated circuit conductors (T250.122)
, Q: a 20-ampere, 125-volt receptacle installed within _________ from
the top inside edge of the bowl of the sink shall have ground-fault circuit-
interrupter protection for personnel
✓✓ 6 ft. (A210.8 (A) (8))
Q: What is the minimum number of 120-volt, 15-ampere branch circuits
required for the lighting and general use receptacle outlets in a one-family
dwelling with an area of 1900 square ft.
✓✓ 3 (A220.41)
Q: Which of the following is not a standard classification for a branch
circuit supplying several loads?
A. 20 amps
B. 25 amps
C. 30 amps
D. 50 amps
✓✓ B. 25 amps (A210.18)
Q: For dwelling units, attached garages, and detached garages with
electric power, at least one lighting outlet controlled by a ________ shall
be installed to provide illumination on the exterior side of outdoor
entrances or exits with grade-level access.
✓✓ Wall mounted control device (A210.70 (A) (2) (2))
Q: Grounding-type receptacles shall be installed only on circuits of
_____________ for which they are rated except as provided in Tables
210.21 (b)(2) and (B)(3)
I. Voltage Class
