The RCD adaptor fits between an appliance plug and the power supply socket. Adds an important layer of protection against overloading and electrocution. Features and Benefits Easy to use - simply plugs into the mains and guards against electrocution Cuts power within nanoseconds the moment a fault in an appliance appears Typical Applications Ideal for use with any appliance, such as lawnmowers and power tools Notes 240V 30mA tripping current 30mS tripping time N.B. All electrical re-wiring should be performed by a qualified technician