NEC 2017 Questions and Answers 100%
Solved
How many volt-amperes are calculated per 1ft of show window?
A) 50 B) 100 C) 150, or D) 200 Correct Answ_D) 200 220.14(G)(2)
Metal enclosures for over current devices in damp or wet locations, shall be mounted so that
there is at least a ________in. air gap between the wall and the other support surface.
A) 1/8 B) 1/4 C) 3/8, or D) 1/2. Correct Answ_B) 1/4 240.32, 312.2
A lamp holder is supplied by a circuit over 20 amps. What type of lamp holder is permitted?
A) Medium base B) Light duty C) Heavy duty, or D) Extra heavy duty. Correct Answ_C)
Heavy duty 210.21(A)
General lighting loads by occupancy dwelling units require a minimum of ______ volt-amperes
per sq. ft.
A) 3 B) 4 C) 5 or D) 8 Correct Answ_A) 3 volt amperes Table 220.12
,Surge arresters are grounded at the arrester grounding terminal. If the arrester ground conductor
is ran in a metal enclosure, the grounding conductor MUST be bonded at ______end(s) of the
enclosure.
A) one B) the supply C) the load D) both Correct Answ_D) Both 280.25
How many receptacle outlets are required above a show window that is 18ft wide?
A) 2 B) 3 C)4 or D) none of the above Correct Answ_A) 2 210.62
Concrete encased grounding electrodes shall have a minimum length of _______ft and minimum
diameter of ________in.
A) 10ft and 1/2 inch B) 15ft and 5/8 inch C) 20ft and 1/2 inch, or D) 25ft and 5/8 in. Correct
Answ_C) 20 feet and 1/2 inch diameter. 250.52(A)(3)(1)
A grounding electrode shall be installed so ______ft in contact with soil. (Earth)
A) 6 B) 8 C) 10 or D) 15 Correct Answ_8 ft 250.53(G)
What is the maximum combined length of FMC, FMT, and LFMC in the same ground-fault
current path.
A) 4ft B) 5ft C) 6ft D) 10ft Correct Answ_250.118(5)(C)
, Appliance outlets (such as electric dryers) shall be installed within _____ft of intended appliance
location.
A) 2 B) 6 C) 8 or D)10 Correct Answ_B) 6 210.50(C)
Overhead service drops shall NOT have conductors smaller than?
A) #8 Copper B) #4 Aluminium C) #6 Copper, or D) #4 Copper Correct Answ_A) 8AWG
copper 230.23(B)
A 10ft section of ______ is not considered a grounding conductor.
A) AC Cable B) Cable tray C) FMC D) Auxiliary gutter Correct Answ_C) FMC
250.118(5)(C)
Service entrance conductors in a raceway beneath a building, under at least _____ inches of
concrete is considered to be "outside" the building.
A) 2 B) 4 C) 8 D) 12 Correct Answ_A) 2 230.6(1)
The two small appliance branch circuits in dwellings need to be calculated at _______volt
amperes. (Watts)
Solved
How many volt-amperes are calculated per 1ft of show window?
A) 50 B) 100 C) 150, or D) 200 Correct Answ_D) 200 220.14(G)(2)
Metal enclosures for over current devices in damp or wet locations, shall be mounted so that
there is at least a ________in. air gap between the wall and the other support surface.
A) 1/8 B) 1/4 C) 3/8, or D) 1/2. Correct Answ_B) 1/4 240.32, 312.2
A lamp holder is supplied by a circuit over 20 amps. What type of lamp holder is permitted?
A) Medium base B) Light duty C) Heavy duty, or D) Extra heavy duty. Correct Answ_C)
Heavy duty 210.21(A)
General lighting loads by occupancy dwelling units require a minimum of ______ volt-amperes
per sq. ft.
A) 3 B) 4 C) 5 or D) 8 Correct Answ_A) 3 volt amperes Table 220.12
,Surge arresters are grounded at the arrester grounding terminal. If the arrester ground conductor
is ran in a metal enclosure, the grounding conductor MUST be bonded at ______end(s) of the
enclosure.
A) one B) the supply C) the load D) both Correct Answ_D) Both 280.25
How many receptacle outlets are required above a show window that is 18ft wide?
A) 2 B) 3 C)4 or D) none of the above Correct Answ_A) 2 210.62
Concrete encased grounding electrodes shall have a minimum length of _______ft and minimum
diameter of ________in.
A) 10ft and 1/2 inch B) 15ft and 5/8 inch C) 20ft and 1/2 inch, or D) 25ft and 5/8 in. Correct
Answ_C) 20 feet and 1/2 inch diameter. 250.52(A)(3)(1)
A grounding electrode shall be installed so ______ft in contact with soil. (Earth)
A) 6 B) 8 C) 10 or D) 15 Correct Answ_8 ft 250.53(G)
What is the maximum combined length of FMC, FMT, and LFMC in the same ground-fault
current path.
A) 4ft B) 5ft C) 6ft D) 10ft Correct Answ_250.118(5)(C)
, Appliance outlets (such as electric dryers) shall be installed within _____ft of intended appliance
location.
A) 2 B) 6 C) 8 or D)10 Correct Answ_B) 6 210.50(C)
Overhead service drops shall NOT have conductors smaller than?
A) #8 Copper B) #4 Aluminium C) #6 Copper, or D) #4 Copper Correct Answ_A) 8AWG
copper 230.23(B)
A 10ft section of ______ is not considered a grounding conductor.
A) AC Cable B) Cable tray C) FMC D) Auxiliary gutter Correct Answ_C) FMC
250.118(5)(C)
Service entrance conductors in a raceway beneath a building, under at least _____ inches of
concrete is considered to be "outside" the building.
A) 2 B) 4 C) 8 D) 12 Correct Answ_A) 2 230.6(1)
The two small appliance branch circuits in dwellings need to be calculated at _______volt
amperes. (Watts)
