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Ground-Fault Circuit Interrupters (GFCIs)

by Nick Gromicko, Ethan Ward, and Mike Marlow What is a GFCI? A ground-fault circuit interrupter, or GFCI, is a device used in electrical wiring to disconnect a circuit when unbalanced current is detected between an energized conductor and a neutral return conductor.  Such an imbalance is sometimes caused by current “leaking” through a person who is

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