- Be sure the plugs are securely inserted in the receptacles to avoid loose connections and arcing. Transform OFF electricity at the main fuse box (or the circuit breaker box) that controls the facility to your fixture or perhaps the room you’re working in. Tester101Tester101 132k7979 gold badges324324 silver badges611611 https://plug-types31639.dbblog.net/2623572/the-2-minute-rule-for-types-of-electrical-plugs-uk