Residual-current device
A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI)[a] is an electrical safety device that quickly breaks an electrical circuit with leakage current to ground
A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI)[a] is an electrical safety device that quickly breaks an electrical circuit with leakage current to ground