The GFCI operates on the principle that an equal amount of current is flowing through the two wires.

Name: The GFCI operates on the principle that an equal amount of current is flowing through the two wires.
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Question

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A Ground Fault Circuit Interrupter (GFCI) operates on the principle that the current flowing through the hot (live) wire should equal the current returning through the neutral wire. Any difference suggests a fault, leading the GFCI to trip and cut off the power.

The GFCI Operates on the Principle That an Equal Amount