Electrical test - journey man Exam questions With
Correct Answers
._____ means must be marked to indicate their purpose - ANSWER-
disconnecting
.(true/false) a NEMA 4 enclosure protects against corrosive agents - ANSWER-
false
.(true/false) as long as illumination is provided by some other source a separate
luminaire is not required for service equipment - ANSWER-true
.(true/false) it is beneficial to have a conductor with a temperature rating higher
than the terminal it is connected to because you can use the higher ampacity
when derating - ANSWER-true
.#18 fixture wire is considered to be protected by a 20 amp branch breaker if it
is not over ___ ft long - ANSWER-50
.a 20 amp branch circuit requires #12 conductors but you may tap off of the
#12's with #14's to feed a lighting outlet as long as the tap is not over ___ inches
long - ANSWER-18
.a 20 amp circuit with two or more receptacle outlets may use ___ or ___ amp
rated recptacles - ANSWER-15, 20
.a bathroom receptacle outlet must be put on a ___ ample circuit - ANSWER-20
,.a circuit breaker marked 120/240 volts means that it is only approved for _____
systems where the voltage to ground is not over _____ - ANSWER-grounded
120v
.a circuit breaker used to switch fluorescent lighting must be marked ____ of
_____ - ANSWER-SWP, HID
.a concrete encased electrode must consist of at least ___ft of ___ inches rebar,
or #___ bare copper - ANSWER-20
1/2
4
.a conductor encased within material of composition or thickness that is not
recognized by this code as insulation is called a ____ conductor - ANSWER-
covered
.a dwelling three stall garage requires at least _ receptacle outlets - ANSWER-3
.a dwelling unit must have at least one ___ amp laundry circuit - ANSWER-20
.a fastened in place appliance on a circuit with two or more outlets may not
take up more than ___% of the circuit rating - ANSWER-50
.a foyer requires a receptacle outlet if it is ___ sq ft or more. one is required on
each wall space that is____ ft or wider - ANSWER-60, 3
, .a ground ring must consist of at least __ ft of #__ bare copper and must be
buried at least __ inches deep - ANSWER-20
2
30in
.a hallway requires a receptacle outlet if it is ___ ft or longer - ANSWER-10
.a lock nut on an emt connector is not considered to be adequate bonding if you
encounter concentric knockouts and the voltage is over ___ to ground -
ANSWER-250
.a multiwire circuit must have disconnect that will disconnect all _________
conductors simultanelously - ANSWER-ungrounded
.a multiwire circuit shall be permitted to be considered as _____ circuits -
ANSWER-multiple
.a premises that has two different electrical systems in it must have the
ungrounded conductors from each system identified by ____ and ______ -
ANSWER-phase, system
.a rod or pipe electrode must consist of ___ ft of at least ___ inches pipe or ___
inches rod unless listed or other diameters - ANSWER-8
3/4
5/8
Correct Answers
._____ means must be marked to indicate their purpose - ANSWER-
disconnecting
.(true/false) a NEMA 4 enclosure protects against corrosive agents - ANSWER-
false
.(true/false) as long as illumination is provided by some other source a separate
luminaire is not required for service equipment - ANSWER-true
.(true/false) it is beneficial to have a conductor with a temperature rating higher
than the terminal it is connected to because you can use the higher ampacity
when derating - ANSWER-true
.#18 fixture wire is considered to be protected by a 20 amp branch breaker if it
is not over ___ ft long - ANSWER-50
.a 20 amp branch circuit requires #12 conductors but you may tap off of the
#12's with #14's to feed a lighting outlet as long as the tap is not over ___ inches
long - ANSWER-18
.a 20 amp circuit with two or more receptacle outlets may use ___ or ___ amp
rated recptacles - ANSWER-15, 20
.a bathroom receptacle outlet must be put on a ___ ample circuit - ANSWER-20
,.a circuit breaker marked 120/240 volts means that it is only approved for _____
systems where the voltage to ground is not over _____ - ANSWER-grounded
120v
.a circuit breaker used to switch fluorescent lighting must be marked ____ of
_____ - ANSWER-SWP, HID
.a concrete encased electrode must consist of at least ___ft of ___ inches rebar,
or #___ bare copper - ANSWER-20
1/2
4
.a conductor encased within material of composition or thickness that is not
recognized by this code as insulation is called a ____ conductor - ANSWER-
covered
.a dwelling three stall garage requires at least _ receptacle outlets - ANSWER-3
.a dwelling unit must have at least one ___ amp laundry circuit - ANSWER-20
.a fastened in place appliance on a circuit with two or more outlets may not
take up more than ___% of the circuit rating - ANSWER-50
.a foyer requires a receptacle outlet if it is ___ sq ft or more. one is required on
each wall space that is____ ft or wider - ANSWER-60, 3
, .a ground ring must consist of at least __ ft of #__ bare copper and must be
buried at least __ inches deep - ANSWER-20
2
30in
.a hallway requires a receptacle outlet if it is ___ ft or longer - ANSWER-10
.a lock nut on an emt connector is not considered to be adequate bonding if you
encounter concentric knockouts and the voltage is over ___ to ground -
ANSWER-250
.a multiwire circuit must have disconnect that will disconnect all _________
conductors simultanelously - ANSWER-ungrounded
.a multiwire circuit shall be permitted to be considered as _____ circuits -
ANSWER-multiple
.a premises that has two different electrical systems in it must have the
ungrounded conductors from each system identified by ____ and ______ -
ANSWER-phase, system
.a rod or pipe electrode must consist of ___ ft of at least ___ inches pipe or ___
inches rod unless listed or other diameters - ANSWER-8
3/4
5/8
