Journeyman Electrician Practice Test
2026_2027
Expert-Verified Questions and
Answers
(With A+ Grades Guarantee)
,Electrical Generator works on the principle of: Flemings Right hand rule
3 multiple choice options
Which of the following quantity is the same in a series Electrical current
electrical circuit: 3 multiple choice options
The transformer oil used in transformers acts as: Both insulating material and coolant
3 multiple choice options
Induction motor during no load condition will have a power 0.2
factor in the range: 3 multiple choice options
The NEC states each building or other structure shall have The multiple disconnecting means consists of no more than six, and are housed in
only one disconnecting means unless _____. separate enclosures with a main service disconnecting means in each enclosure.
At buildings where communications systems are likely to Three
be used, an intersystem bonding termination shall be
provided for the communications systems at an accessible
location at the service equipment. It shall be an aluminum
or copper busbar not less than ¼ in. thick x 2 in. wide and
be of sufficient length to accommodate at LEAST _____
terminations for communications systems in addition to
other connections.
The ampacity of a conductor is defined by the NEC to be It's temperature rating
the maximum current, in amperes, a conductor can carry
continuously under the conditions of use without
exceeding ______.
A disconnect switch enclosure installed in a Class II, Dustthight
Division 2 location shall be listed as _____.
The interior of enclosures or raceways installed Wet
underground shall be considered as a _____ location.
Determine the ampacity (current-carrying capacity) of four 120 amperes
(4) size 1/0 AWG THW copper current-carrying conductors
installed in a common raceway with an ambient
temperature of 86 degrees F.
The NEC defines a continuous load to be a load where the Three
maximum current on the circuit is expected to continue for
at LEAST____ hours or more.
Given: You have determined a conductor has a computed 80 amperes
ampacity of 75 amperes. What is the MAXIMUM standard
ampere rating of the overcurrent protection device the
NEC permits to protect this circuit where this is not a motor
circuit or part of a multioutlet branch circuit supplying more
than one receptacle?
A 208-volt, 3-phase, 50 hp, squirrel-cage, continuous-duty, 143 amperes
ac motor has a full-load running current rating of _____.
, Which of the following is permitted in the dedicated sprinkler protection
electrical space above an indoor installed 3-phase,
480Y/277-volt panelboard?
Determine the MINIMUM trade size electrical metallic 1¼ in.
tubing (EMT) required to enclose eight (8) size 6 AWG
copper conductors with THHW insulation, when installed in
a 50 foot conduit run.
Where exceptions are not applicable, when a feeder 300 amperes
supplies a continuous load of 240 amperes, the
overcurrent protection device protecting this circuit shall
have a rating of at LEAST _____.
Liquidtight flexible metal conduit (LFMC) shall be securely 12 inches
fastened WITHIN _____ of each box or other conduit
termination.
Where a pull box to be installed will contain conductors of Eight
size 4 AWG and larger, and a straight pull of the
conductors is to be made, the length of the box shall NOT
be less than ____times the trade diameter of the largest
conduit entering the box.
Conduit or tubing nipples not over 24 inches in length may 60 percent
be filled to a MAXIMUM of _____ of their cross-sectional
area.
Determine the MAXIMUM number of size 14 AWG THHN four
conductors permitted to be installed in a trade size 3/8 in.
flexible metal conduit (FMC) that contains a bare size 14
AWG grounding conductor, when the FMC has external
fittings.
A device or group of devices that serves to govern, in controller
some predetermined manner, the electric power delivered
to the apparatus to which it is connected to, is recognized
as a _____ in the NEC.
What is the MAXIMUM distance permitted between 16 feet
supports of straight runs of threaded trade size 2 in. rigid
metal conduit (RMC)?
Which of the following listed types of storage batteries is automotive
NOT permitted for use as a source of power for emergency
systems?
A general-use snap switch with an ampere rating of NOT 24 amperes
less than _____ shall be permitted as the motor controller
for a single-phase 2 hp, 240-volt motor.
In guest rooms of hotels, motels, and sleeping rooms of two
dorms a MINIMUM of _____ general-purpose receptacles
installed in the room is/are required to be readily
accessible.
A listed _____ shall be installed in or on all emergency surge protective device (SPD)
systems switchboards and panelboards.
Where a size 4 AWG or larger conductor enters a An insulated bushing.
panelboard, which of the following must be provided?
2026_2027
Expert-Verified Questions and
Answers
(With A+ Grades Guarantee)
,Electrical Generator works on the principle of: Flemings Right hand rule
3 multiple choice options
Which of the following quantity is the same in a series Electrical current
electrical circuit: 3 multiple choice options
The transformer oil used in transformers acts as: Both insulating material and coolant
3 multiple choice options
Induction motor during no load condition will have a power 0.2
factor in the range: 3 multiple choice options
The NEC states each building or other structure shall have The multiple disconnecting means consists of no more than six, and are housed in
only one disconnecting means unless _____. separate enclosures with a main service disconnecting means in each enclosure.
At buildings where communications systems are likely to Three
be used, an intersystem bonding termination shall be
provided for the communications systems at an accessible
location at the service equipment. It shall be an aluminum
or copper busbar not less than ¼ in. thick x 2 in. wide and
be of sufficient length to accommodate at LEAST _____
terminations for communications systems in addition to
other connections.
The ampacity of a conductor is defined by the NEC to be It's temperature rating
the maximum current, in amperes, a conductor can carry
continuously under the conditions of use without
exceeding ______.
A disconnect switch enclosure installed in a Class II, Dustthight
Division 2 location shall be listed as _____.
The interior of enclosures or raceways installed Wet
underground shall be considered as a _____ location.
Determine the ampacity (current-carrying capacity) of four 120 amperes
(4) size 1/0 AWG THW copper current-carrying conductors
installed in a common raceway with an ambient
temperature of 86 degrees F.
The NEC defines a continuous load to be a load where the Three
maximum current on the circuit is expected to continue for
at LEAST____ hours or more.
Given: You have determined a conductor has a computed 80 amperes
ampacity of 75 amperes. What is the MAXIMUM standard
ampere rating of the overcurrent protection device the
NEC permits to protect this circuit where this is not a motor
circuit or part of a multioutlet branch circuit supplying more
than one receptacle?
A 208-volt, 3-phase, 50 hp, squirrel-cage, continuous-duty, 143 amperes
ac motor has a full-load running current rating of _____.
, Which of the following is permitted in the dedicated sprinkler protection
electrical space above an indoor installed 3-phase,
480Y/277-volt panelboard?
Determine the MINIMUM trade size electrical metallic 1¼ in.
tubing (EMT) required to enclose eight (8) size 6 AWG
copper conductors with THHW insulation, when installed in
a 50 foot conduit run.
Where exceptions are not applicable, when a feeder 300 amperes
supplies a continuous load of 240 amperes, the
overcurrent protection device protecting this circuit shall
have a rating of at LEAST _____.
Liquidtight flexible metal conduit (LFMC) shall be securely 12 inches
fastened WITHIN _____ of each box or other conduit
termination.
Where a pull box to be installed will contain conductors of Eight
size 4 AWG and larger, and a straight pull of the
conductors is to be made, the length of the box shall NOT
be less than ____times the trade diameter of the largest
conduit entering the box.
Conduit or tubing nipples not over 24 inches in length may 60 percent
be filled to a MAXIMUM of _____ of their cross-sectional
area.
Determine the MAXIMUM number of size 14 AWG THHN four
conductors permitted to be installed in a trade size 3/8 in.
flexible metal conduit (FMC) that contains a bare size 14
AWG grounding conductor, when the FMC has external
fittings.
A device or group of devices that serves to govern, in controller
some predetermined manner, the electric power delivered
to the apparatus to which it is connected to, is recognized
as a _____ in the NEC.
What is the MAXIMUM distance permitted between 16 feet
supports of straight runs of threaded trade size 2 in. rigid
metal conduit (RMC)?
Which of the following listed types of storage batteries is automotive
NOT permitted for use as a source of power for emergency
systems?
A general-use snap switch with an ampere rating of NOT 24 amperes
less than _____ shall be permitted as the motor controller
for a single-phase 2 hp, 240-volt motor.
In guest rooms of hotels, motels, and sleeping rooms of two
dorms a MINIMUM of _____ general-purpose receptacles
installed in the room is/are required to be readily
accessible.
A listed _____ shall be installed in or on all emergency surge protective device (SPD)
systems switchboards and panelboards.
Where a size 4 AWG or larger conductor enters a An insulated bushing.
panelboard, which of the following must be provided?
