An Earth Leakage Circuit Breaker(ELCB), also known as a Residual Current Device (RCD), Earth Leakage Protector(ELP), is an electrical safety device used to protect against electric shocks and electric...

An Earth Leakage Circuit Breaker(ELCB), also known as a Residual Current Device (RCD), Earth Leakage Protector(ELP), is an electrical safety device used to protect against electric shocks and electric...