A sudden flow of electricity or a disparity of power supply can even cause injury or death. When there is an imbalance in electricity the Residual Current Devices (RCD) switches automatically cuts off the electricity. RCDs are the safety switches that minimize the chance of any...

RCD or residual current device is a piece of fundamental protection equipment in the electrical system. An RCD is used principally to guard a person against serious electrical damage. If there is a fault with an instrument in the home, the RCD answers because of...