This 5 A plug, coupled with its two A cousin, is sometimes employed in the UK for centrally switched domestic lighting circuits, in order to tell apart them from ordinary power circuits; this is fairly common in resort rooms. This plug was also at the time Utilized in theatrical installations https://typesofelectricalplugsuse63948.loginblogin.com/36010921/the-basic-principles-of-all-types-of-electrical-plugs