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A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) [a] is an electrical safety device that interrupts an electrical circuit when the current passing through a conductor is not equal and opposite in both directions, therefore indicating leakage current to ground or current flowing to another powered conductor.
Replacing the obsolete receptacle with a GFCI receptacle is the safest alternative, other than installing a new cable from the main circuit breaker panel. If a Ground Fault Circuit Interrupter receptacle is properly functioning, it will interrupt dangerous current to limit the duration of a potentially lethal electric shock from an appliance ...
A 120 volt combination AFCI/GFCI receptacle. Unlike circuit breakers and fuses, which only open the circuit when the current exceeds a fixed value for a fixed time, a GFCI device will interrupt electrical service when more than 4 to 6 milliamperes of current in either conductor leaks to ground.
For example, my rather small house has a 42 pole panelboard (only about 20 poles installed, though; 240 volt appliances get 2-pole circruit breakers), 200 ampere main circuit breaker, with no GFCI circuit breakers mounted and only one AFCI panel mounted circuit breaker for the bedroom receptacles; there are GFCI receptacles for bathroom ...
A circuit protective device that opens on excess current, and then, on cooling off, restores the circuit automatically. residual current circuit breaker A circuit breaker that detects unbalance of phase currents due to ground fault. resistive circuit A circuit containing resistive elements only, no capacitors or inductors. resistivity
Parents have organized a protest at a Cracker Barrel in Waldorf, Maryland after special education students were denied dine-in service.