Journeyman Electrician Exam Prep
2023/Practice Full Size Exams/Exam
1(100% Accurate)
National Electrical Code metric units of measurement are provided in accordance with which system
standard?
Select one - ANSWER
The horsepower rating of a controller should be which of the following? - ANSWER
Which factor would increase the inductance in an AC circuit if all other factors were held constant? -
ANSWER
A 2-Ohm resistor and a 5-Ohm resistor are wired in series. If the 2-Ohm resistor is losing 18 watts of
power, how much electrical current is flowing through the 5-Ohm resistor? - ANSWER
What is the minimum conductor size for connecting multiple panelboards in a health care facility? -
ANSWER
When used in restricted industrial settings, what is the maximum nominal voltage in which Type TC-
ER-HL cable is permitted in a Class II, Division 1 location? - ANSWER
A sinusoidal waveform cycles 8 times in 0.2 seconds. What is the frequency of the sinusoidal
waveform? - ANSWER
Two 3-Ohm resistors are wired in parallel. This combination is then wired in series with a 4-Ohm
resistor. If this combination of three resistors is wired with a voltage source of 11 volts, what is the
total electrical current flow in the circuit? - ANSWER
What is the distance from any opening of a spray booth that is classified for hazardous gasses? -
ANSWER
, All luminaires installed where water may accumulate shall be marked as - ANSWER
The service equipment for a floating building, dock, or marina should be located - ANSWER
A portable electric sign is being installed in a location prone to dampness and requires a GFCI. What
is the maximum distance from the attachment plug the GFCI may be located? - ANSWER
A primary protection 2,000-volt transformer has an impedance of 5%. It is in an area of general
access. What percentage fusible overcurrent protection is needed for this transformer? - ANSWER
What is the maximum spacing between supports for a trade size 1.5-inch reinforced thermosetting
resin conduit (RTRC)? - ANSWER
Unless a noncombustible shield is provided between the switchboard or switchgear and the ceiling, a
space of at least must be left between the top of the switchboard or switchgear and any combustible
ceiling for any switchboard or switchgear that is not completely enclosed. - ANSWER
Single-conductor cable that is listed for outdoor use is both sunlight and moisture resistant. What is
the smallest size of this cable that may be used for module interconnections in a PV system? –
ANSWER
Which of the following is not permitted on a branch circuit supplying fire alarm equipment? -
ANSWER
Transmitting station access doors shall be provided with interlocks that disconnect all voltages above
_____ between conductors when any access door is opened. - ANSWER
An application requires the use of moisture- and heat-resistant thermoplastic insulated conductors.
Which code describes this type of insulation? - ANSWER
A branch-circuit disconnecting means at 1000 amperes or more, installed in a solid ground wye
electrical system of more than 150 volts to ground, not exceeding 1000 volts phase-to-phase shall
provide what protection? - ANSWER
2023/Practice Full Size Exams/Exam
1(100% Accurate)
National Electrical Code metric units of measurement are provided in accordance with which system
standard?
Select one - ANSWER
The horsepower rating of a controller should be which of the following? - ANSWER
Which factor would increase the inductance in an AC circuit if all other factors were held constant? -
ANSWER
A 2-Ohm resistor and a 5-Ohm resistor are wired in series. If the 2-Ohm resistor is losing 18 watts of
power, how much electrical current is flowing through the 5-Ohm resistor? - ANSWER
What is the minimum conductor size for connecting multiple panelboards in a health care facility? -
ANSWER
When used in restricted industrial settings, what is the maximum nominal voltage in which Type TC-
ER-HL cable is permitted in a Class II, Division 1 location? - ANSWER
A sinusoidal waveform cycles 8 times in 0.2 seconds. What is the frequency of the sinusoidal
waveform? - ANSWER
Two 3-Ohm resistors are wired in parallel. This combination is then wired in series with a 4-Ohm
resistor. If this combination of three resistors is wired with a voltage source of 11 volts, what is the
total electrical current flow in the circuit? - ANSWER
What is the distance from any opening of a spray booth that is classified for hazardous gasses? -
ANSWER
, All luminaires installed where water may accumulate shall be marked as - ANSWER
The service equipment for a floating building, dock, or marina should be located - ANSWER
A portable electric sign is being installed in a location prone to dampness and requires a GFCI. What
is the maximum distance from the attachment plug the GFCI may be located? - ANSWER
A primary protection 2,000-volt transformer has an impedance of 5%. It is in an area of general
access. What percentage fusible overcurrent protection is needed for this transformer? - ANSWER
What is the maximum spacing between supports for a trade size 1.5-inch reinforced thermosetting
resin conduit (RTRC)? - ANSWER
Unless a noncombustible shield is provided between the switchboard or switchgear and the ceiling, a
space of at least must be left between the top of the switchboard or switchgear and any combustible
ceiling for any switchboard or switchgear that is not completely enclosed. - ANSWER
Single-conductor cable that is listed for outdoor use is both sunlight and moisture resistant. What is
the smallest size of this cable that may be used for module interconnections in a PV system? –
ANSWER
Which of the following is not permitted on a branch circuit supplying fire alarm equipment? -
ANSWER
Transmitting station access doors shall be provided with interlocks that disconnect all voltages above
_____ between conductors when any access door is opened. - ANSWER
An application requires the use of moisture- and heat-resistant thermoplastic insulated conductors.
Which code describes this type of insulation? - ANSWER
A branch-circuit disconnecting means at 1000 amperes or more, installed in a solid ground wye
electrical system of more than 150 volts to ground, not exceeding 1000 volts phase-to-phase shall
provide what protection? - ANSWER
