The ground-fault circuit interrupter (GFCI) has enjoyed phenomenal success as a life-saving electrical device. Since its introduction in the 1960s, the number of non-utility fatalities has declined ...
Locate the circuit breaker or fuse that controls the outlet you plan to replace and shut off the power to the circuit. Plug a lamp, radio or the GFCI tester into the outlet to test for power and make ...
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