Residual current devices (RCDs) are no longer optional—they are mandatory on all circuits in new consumer unit installations. RCDs protect against electric shocks and reduce fire risks by detecting leakage currents. All circuits, including lighting and sockets, must be RCD-protected. RCDs offer a level of personal protection that ordinary. A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) is an electrical safety device, more specifically a form of Earth-leakage circuit breaker, that interrupts an electrical circuit when the current passing through line and neutral. An RCD is a life-saving device designed to detect leakage current. RCDs are invaluable safety devices and are essential for anyone using or. ABB offers a total ev charging solution from compact, high quality AC wall boxes, reliable DC fast charging stations with robust connectivity, to innovative on-demand electric bus charging systems, we deploy infrastructure that meet the needs of the next generation of smarter mobility. Portable RCDs are generally plugged into a socket outlet and, depending on design, may. An invaluable safety device in any electrical installation, our detailed guide on Residual Current Devices will cover what an RCD is, what their primary purpose is and what type of residual current device is right for your installation.