home wiring Quiz Practice Quiz | home wiring

Q: What is the standard voltage for household electrical outlets in North America?

120 volts — 120V is the standard voltage in North American homes for most outlets.

Q: Which wire in a standard US residential electrical circuit is typically white?

Neutral wire — The white wire generally carries the return current and is the neutral wire.

Q: What is the purpose of the ground wire in a home electrical system?

To provide a path for fault current to flow back to the source. — The ground wire provides a low-resistance path for fault current, protecting against shocks.

Q: What does GFCI stand for?

Ground Fault Circuit Interrupter — GFCI stands for Ground Fault Circuit Interrupter and detects leakage current.

Q: Which of the following wire sizes is typically used for 15-amp circuits in residential wiring?

14 AWG — 14 AWG wire is standard for 15-amp circuits in residential applications.

Question 1 of 5

What is the standard voltage for household electrical outlets in North America?

120V is the standard voltage in North American homes for most outlets.

Question 2 of 5

Which wire in a standard US residential electrical circuit is typically white?

The white wire generally carries the return current and is the neutral wire.

Question 3 of 5

What is the purpose of the ground wire in a home electrical system?

The ground wire provides a low-resistance path for fault current, protecting against shocks.

Question 4 of 5

What does GFCI stand for?

GFCI stands for Ground Fault Circuit Interrupter and detects leakage current.

Question 5 of 5

Which of the following wire sizes is typically used for 15-amp circuits in residential wiring?

14 AWG wire is standard for 15-amp circuits in residential applications.

home wiring Quiz