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NEC - Journeyman Test Flash Cards
Questions and Correct Answers/ Latest
Update / Already Graded
The frame-grounding conductor in a DC trailing cable is usually
colored:
Ans: Green.
What is the purpose of a thermal strip in an AC linestarter?
Ans: To provide overload protection
In most cases, the voltage to ground on branch circuits supplying
lampholders, fixtures, or standard receptacles of 15 amps or less should
not exceed:
Ans: 150 volts.
According to the diagram below:
Ans: Line "A" is a feeder circuit and line "B" is a branch circuit.
If a branch circuit were protected by a 20-amp fuse, what would be the
allowable continuous load of the circuit?
All rights reserved © 2025/ 2026 |
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Ans: 16 amps.
The voltage drop to the most remote outlet of a branch circuit should
not exceed what value for power, heating, lighting, or combinations
thereof?
Ans: 3 percent.
The part of the wiring system extending beyond the last overcurrent
protective device is called the:
Ans: Branch circuit.
A ______________ is that part of the wiring system extending beyond
the last overcurrent protective device.
Ans: Branch circuit.
The minimum wire size of a 15-amp branch circuit is:
Ans: No.14 AWG.
What is the minimum-sized grounding conductor that may be used in a
DC system?
Ans: 8 AWG.
All rights reserved © 2025/ 2026 |
NEC - Journeyman Test Flash Cards
Questions and Correct Answers/ Latest
Update / Already Graded
The frame-grounding conductor in a DC trailing cable is usually
colored:
Ans: Green.
What is the purpose of a thermal strip in an AC linestarter?
Ans: To provide overload protection
In most cases, the voltage to ground on branch circuits supplying
lampholders, fixtures, or standard receptacles of 15 amps or less should
not exceed:
Ans: 150 volts.
According to the diagram below:
Ans: Line "A" is a feeder circuit and line "B" is a branch circuit.
If a branch circuit were protected by a 20-amp fuse, what would be the
allowable continuous load of the circuit?
All rights reserved © 2025/ 2026 |
, Page |2
Ans: 16 amps.
The voltage drop to the most remote outlet of a branch circuit should
not exceed what value for power, heating, lighting, or combinations
thereof?
Ans: 3 percent.
The part of the wiring system extending beyond the last overcurrent
protective device is called the:
Ans: Branch circuit.
A ______________ is that part of the wiring system extending beyond
the last overcurrent protective device.
Ans: Branch circuit.
The minimum wire size of a 15-amp branch circuit is:
Ans: No.14 AWG.
What is the minimum-sized grounding conductor that may be used in a
DC system?
Ans: 8 AWG.
All rights reserved © 2025/ 2026 |
