- Ground fault circuit interrupter, or GFCI, is defined as a safety device on electrical outlets to shut off electricity if the outlet becomes ungrounded, which would create an unsafe condition and could produce an electrical shock.
An example of a ground fault circuit interrupter, or GFCI, is an outlet in your kitchen or bathroom with a button in the center.
Variant of ground-fault interrupter
an electronic safety device used in place of a standard electrical outlet in areas where shocks are more likely, as kitchens, bathrooms, and workshops: it immediately breaks the circuit if electricity is being lost
often called ground-fault circuit-interrupter