The type G regular (British Common 1363) involves use of a three-wire grounded and fused plug for all connections to the power mains. Two-wire appliances aren't earthed, but they have a plastic grounding pin which only serves to open up the shutters of your outlet. Soviet adaptor plug Some appliances https://types-of-electrical-plugs63941.humor-blog.com/28751035/an-unbiased-view-of-plug-types