The type G standard (British Normal 1363) necessitates usage of a three-wire grounded and fused plug for all connections to the power mains. Two-wire appliances aren't earthed, but they've got a plastic grounding pin which only serves to open the shutters on the outlet. The short answer is that the https://types-of-plug-tops80009.smblogsites.com/29363507/rumored-buzz-on-electrical-wall-plug-types