Earth Wire and Circuit Breaker
Electrical circuits are connected to the earth through a wire called earth wire. It conducts the excess or leaking current from any electrical appliance to the ground. In this way, it protects us from electrics shock.
Earth Wire
Circuit Breaker
Circuit breaker is an automatic switch in an electric circuit. Its function is similar to that of a fuse. It breaks the circuit if excess current flows. It is a safety device that protect electrical circuit from damage caused by excessive current\overload or short circuit. Now-a-days, circuit breakers are widely used in place of fuses to protect electrical systems in homes.
Circuits Breaker
153.451 SRY