CEE Publication seven is the “Specification for plugs and socket-outlets for domestic and very similar works by using .”This regular is maintained by the IECEE and governs the domestic electrical connectors used in Europe. Type A plugs have polarized and non-polarized versions. Polarized plugs Have a very neutral pin broader https://mariotdkrw.blogsumer.com/28975000/the-definitive-guide-to-plug-types