If you examine any US or Canadian socket you will notice the earth socket at the bottom, the Reside/scorching socket on the appropriate, and also the neutral Found over the left. Type G plugs and sockets commenced appearing in 1946 as well as conventional was 1st released in 1947. By https://connectors-electrical-typ63184.tinyblogging.com/not-known-factual-statements-about-all-types-of-electrical-plugs-73068109