NCFET Basic · CET-1 · Safety & Fundamentals

A GFCI outlet is designed to:

AIncrease voltage output to the equipment
BProvide surge protection against lightning
CTrip the circuit in the event of a ground fault
DFilter electrical noise from the power supply

Correct Answer

Trip the circuit in the event of a ground fault

Explanation

A Ground Fault Circuit Interrupter (GFCI) detects small current leakage to ground (as low as 5mA) and trips within milliseconds, preventing electric shock.

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