Solitary-period sockets[clarification wanted] have two present-carrying connections for the power offer circuit, and should also have a 3rd pin for a security link to earth ground. The plug is really a male connector, normally with protruding pins that match the openings and female contacts in a very socket. IEC plug https://ricardoadcxt.blogvivi.com/29943802/little-known-facts-about-types-of-plug-tops