15A Ground Fault Circuit Interrupter (GFCI) outlet receptacle for indoor use. GreenCycle GFCI Outlet 15 Amp. What is GFCI?. GFCI stands for Ground Fault Circuit Interrupter. In the event of a ground fault or an unintended electrical path to ground such as a shot circuit or through a person, a GFCI will trip within a fraction of 1 second and stop the flow of electricity to prevent serious injury.
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