Three GFCI Myths

Check out these three misconceptions related to GFCIs.

Ground fault circuit interrupter (GFCI) receptacles protect people by opening the circuit when L-N current exceeds (typically) 4mA to 6mA. You’ll find GFCI requirements in various places throughout the Code; the 2017 NEC index shows about four dozen entries. Here are three GFCI myths:

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