NEC 2017 JOURNEYMAN ACTUAL EXAM QUESTIONS WITH
ANSWERS 2025/2026 GRADED A+
Where a receptacle is installed within 6 1/2' of a bathtub or shower stall and is located
outside of the bathroom, the receptacle shall be protected with GFCI. Protection. T/F -
F, 210.8(A)(1&9)
In addition to the number of circuits required by other parts of this code, laundry branch
circuits are required to be installed on a _____ and this circuit shall have no other
outlets. - Individual 20-amp branch circuit, 210,11(C)(2)
When branch circuit conductors supply a single motor that is expected to be used in a
continuous duty application, the capacity of the conductors shall not be less than _____
of the motor FLC rating. - 125%, 210.19(A) info note #2, 430.22
How many 2-amp fluorescent lights running for 10 hours straight can be installed on a
single 120 volt 20-amp branch circuit? - 20-amps/1.25= 16 amps 16-amps/2-amps per
fixture= 8 fixtures., 210.19(A)(1)(a)
On a branch circuit rated at 15-amps, what is the maximum load permitted for equip
fastened in place when other outlets are served on the same branch circuit? - 7.5A
(50%), 210.23(A)(2)
Laundry outlets need to be installed within ___ ft. Of the intended location of the laundry
equipment. - 6', 210.50(C)
Any wall space that measures ___ ft. Or more in a dwelling unit shall be counted as wall
space required for outlet spacing. - 2', 210.52(A)(2)(1)
When determine countertop receptacle spacing, any counter top that measures ____ in.
or more in width shall require at least one receptacle outlet. - 12", 210.52(C)(1)
A dwelling unit attached garage with four bays for car parking will require a minimum of
_____ receptacle outlets installed not more than 5 1/2" above the finished floor. - 4,
210.52(G)(1)
A house having 1200 sq ft of usable floor area shall have a minimum general lighting
load of how many watts? - 1200 x 3va/ sq ft= 3600 watts , Table 220.12
The load for each small appliance branch circuit is required to be calculated at ____
watts. - 1500 VA, 220.52(A)
What is the demand factor for 21, 10 kW electric ranges? - 36kW, Table 220.55 Column
C
, A feeder or service neutral load is permitted to be reduced to ____ percent on
household electric ranges. - 70%, 220.61(B)
Service drops must have a vertical, diagonal, and horizontal clearance of not less than
____ft from radio and television antennas. - 3ft. , 225.19(B)
Service drop conductors shall maintain _____ clearance from the sides and bottoms of
operable windows. - 3', 225.19(D)(1),230.9(A)
Overhead service drop conductors shall not be smaller than _____ away copper wire. -
8, 230.23(B)
According to the NEC, service drop conductors (600v or less) must be _____ above
finish grade. - 10',230.24(B)(1)
What is the overhead clearance for service conductors 600 volts and less going over a
residential property? - 12', 230.24(B)(2)
Service entrance cables shall be supported by approached means within ____ ft of
every service head and at intervals not exceeding _____ ft. - 12", 30", 230.51(A)
Cable limiters are not permitted to be connected to the supply side of the service
disconnecting means. T/F - False, 230.82(1)
What is the maximum size fuse that can be installed for a #18 fixture wire and be
considered protected? - 20, 240.5(B)(2)
Type S adapters shall be designed so that once inserted in a fuse holder, they ____. -
Cannot be removed, 240.54(C)
What is the minimum spacing between grounding electrodes? - 6', 250.53(B)
In a building where a metal underground water line is available, the maximum size of
the grounding electrode conductor for an ungrounded system with 3/0 copper service
conductors shall be? - #4 AWG copper, 250.66
Interior metal water piping located not more than ____ from the point of entrance to a
building shall be permitted to be used as a conductor to interconnect electrodes that are
part of the grounding system. - 5', 250.68(C)
What is the minimum size grounded conductor permitted to be installed when the
ungrounded conductors are size 1/0 copper? - #6 AWG copper, Table 250.102(C)(1)
A conductor intended solely for the purposes of grounding shall be either bare or color
coded ______ or _______. - Green, Green with a yellow stripe, 250.119
ANSWERS 2025/2026 GRADED A+
Where a receptacle is installed within 6 1/2' of a bathtub or shower stall and is located
outside of the bathroom, the receptacle shall be protected with GFCI. Protection. T/F -
F, 210.8(A)(1&9)
In addition to the number of circuits required by other parts of this code, laundry branch
circuits are required to be installed on a _____ and this circuit shall have no other
outlets. - Individual 20-amp branch circuit, 210,11(C)(2)
When branch circuit conductors supply a single motor that is expected to be used in a
continuous duty application, the capacity of the conductors shall not be less than _____
of the motor FLC rating. - 125%, 210.19(A) info note #2, 430.22
How many 2-amp fluorescent lights running for 10 hours straight can be installed on a
single 120 volt 20-amp branch circuit? - 20-amps/1.25= 16 amps 16-amps/2-amps per
fixture= 8 fixtures., 210.19(A)(1)(a)
On a branch circuit rated at 15-amps, what is the maximum load permitted for equip
fastened in place when other outlets are served on the same branch circuit? - 7.5A
(50%), 210.23(A)(2)
Laundry outlets need to be installed within ___ ft. Of the intended location of the laundry
equipment. - 6', 210.50(C)
Any wall space that measures ___ ft. Or more in a dwelling unit shall be counted as wall
space required for outlet spacing. - 2', 210.52(A)(2)(1)
When determine countertop receptacle spacing, any counter top that measures ____ in.
or more in width shall require at least one receptacle outlet. - 12", 210.52(C)(1)
A dwelling unit attached garage with four bays for car parking will require a minimum of
_____ receptacle outlets installed not more than 5 1/2" above the finished floor. - 4,
210.52(G)(1)
A house having 1200 sq ft of usable floor area shall have a minimum general lighting
load of how many watts? - 1200 x 3va/ sq ft= 3600 watts , Table 220.12
The load for each small appliance branch circuit is required to be calculated at ____
watts. - 1500 VA, 220.52(A)
What is the demand factor for 21, 10 kW electric ranges? - 36kW, Table 220.55 Column
C
, A feeder or service neutral load is permitted to be reduced to ____ percent on
household electric ranges. - 70%, 220.61(B)
Service drops must have a vertical, diagonal, and horizontal clearance of not less than
____ft from radio and television antennas. - 3ft. , 225.19(B)
Service drop conductors shall maintain _____ clearance from the sides and bottoms of
operable windows. - 3', 225.19(D)(1),230.9(A)
Overhead service drop conductors shall not be smaller than _____ away copper wire. -
8, 230.23(B)
According to the NEC, service drop conductors (600v or less) must be _____ above
finish grade. - 10',230.24(B)(1)
What is the overhead clearance for service conductors 600 volts and less going over a
residential property? - 12', 230.24(B)(2)
Service entrance cables shall be supported by approached means within ____ ft of
every service head and at intervals not exceeding _____ ft. - 12", 30", 230.51(A)
Cable limiters are not permitted to be connected to the supply side of the service
disconnecting means. T/F - False, 230.82(1)
What is the maximum size fuse that can be installed for a #18 fixture wire and be
considered protected? - 20, 240.5(B)(2)
Type S adapters shall be designed so that once inserted in a fuse holder, they ____. -
Cannot be removed, 240.54(C)
What is the minimum spacing between grounding electrodes? - 6', 250.53(B)
In a building where a metal underground water line is available, the maximum size of
the grounding electrode conductor for an ungrounded system with 3/0 copper service
conductors shall be? - #4 AWG copper, 250.66
Interior metal water piping located not more than ____ from the point of entrance to a
building shall be permitted to be used as a conductor to interconnect electrodes that are
part of the grounding system. - 5', 250.68(C)
What is the minimum size grounded conductor permitted to be installed when the
ungrounded conductors are size 1/0 copper? - #6 AWG copper, Table 250.102(C)(1)
A conductor intended solely for the purposes of grounding shall be either bare or color
coded ______ or _______. - Green, Green with a yellow stripe, 250.119
