1.
If a listed supplemental arc protection circuit breaker is
installed at the origin of the branch circuit in combination with a listed
outlet branch circuit type AFCI installed at the first outlet box on the branch
circuit the AFCI device shall be within ______ ft of the circuit breaker when
using No. 12 AWG conductors.
a)
25
b)
50
c)
70
2.
If a listed outlet branch circuit type AFCI is installed at the
first outlet in combination with a listed branch circuit overcurrent protective
device the AFCI device shall be installed within _____ of the branch
circuit overcurrent device when using No. 14 AWG conductors.
a)
25
b)
50
c)
70
3.
A listed branch-circuit type AFCI device (first outlet) is
permitted with ________________, Type MC, steel armored AC cables, metal
wireways, metal auxiliary gutters, or metal outlet and junction boxes installed
for the portion of the branch circuit between the OCPD and the first outlet .
a)
ENT, Flexible Metal Conduit
b)
EMT, RMC, IMC
c)
PVC Schedule 80 conduit
4.
Where a listed metal or nonmetallic conduit or tubing or type MC
cable is encased in not less than ____ inches of concrete for the portion of the
branch circuit between the OCPD and the first outlet, it shall be permitted to
install a listed branch circuit type AFCI at the first outlet.
a)
2
b)
4
c)
6
5.
AFCI protection shall not be required where the extension of the
existing conductors is not more than _____ and does not include any additional
outlets or devices.
a)
2 ft.
b)
20 ft.
c)
6 ft.
6.
All 120-volt, single-phase, 15- and 20- ampere circuits supplying
outlets in dormitory unit bedrooms, living rooms, hallways, closets, and similar
rooms shall be protected by
_________________________ .
a)
arc-fault
circuit interrupters
b)
Ground Fault Circuit Interrupters
c)
combination AFCI/GFCI circuit interrupters
7.
Each branch circuit disconnect rated 1000 amperes of more and
installed on solidly grounded wye electrical systems of more than 150 volts to
ground, but not exceeding 600 volts phase to phase shall be provided with ground
fault protection of equipment in accordance with the provisions of 230.95 with
the exception of:
a)
industrial
processes requiring an orderly shutdown.
b)
where GFP
is provided on the supply side of the branch circuit and on the load side of
any transformer supplying the branch circuit.
c)
a or b
8.
Outlets installed for the purpose of charging electric vehicles
shall be supplied from a _____________ .
a)
the same circuit that is used for a work
bench
b)
separate branch circuit
c)
multiwire branch circuit
9.
Balconies, decks, and porches that are attached to the dwelling
unit and are accessible from inside the dwelling unit shall have at least one
receptacle outlet accessible from the balcony, deck, or porch.
The receptacle outlet shall not be more than _____ above the
balcony, deck, or porch walking surface.
a)
6 ft.
b)
18 inches
c)
2 ft.
10.
At least one receptacle outlet shall be installed at each
dwelling unit attached garage or detached garage with electric power. The
Branch Circuit supplying this receptacle(s) shall not supply outlets outside the
garage. At least _______ receptacle(s) outlet shall be installed for each car
space.
a)
one
b)
two
c)
three
d)
four