IBEW IBEW Aptitude Test Electrical Fundamentals Questions and Answers 2

Question 1

What color is the neutral wire in a standard US household electrical circuit?

Accepted Answer

White

Answer

Black

Answer

Red

Answer

Green

Question 2

A GFCI outlet is designed primarily to protect against:

Accepted Answer

Ground faults

Answer

Power surges

Answer

Short circuits

Answer

Circuit overloads

Question 3

What does AWG stand for in electrical wiring?

Accepted Answer

American Wire Gauge

Answer

Alternating Wire Gauge

Answer

Ampere Wiring Guide

Answer

Advanced Wiring Grade

Question 4

In a parallel circuit with two 10Ω resistors, what is the total resistance?

Accepted Answer

5Ω

Answer

20Ω

Answer

10Ω

Answer

0.5Ω

Question 5

The standard single-phase outlet voltage in a US residential building is:

Accepted Answer

120V

Answer

12V

Answer

24V

Answer

480V

Question 6

The green or bare copper wire in electrical wiring serves as the:

Accepted Answer

Ground wire

Answer

Hot wire

Answer

Neutral wire

Answer

Load wire