One-section sockets[clarification desired] have two current-carrying connections to the power supply circuit, and may even have a 3rd pin for a security link to earth ground. The plug is actually a male connector, normally with protruding pins that match the openings and female contacts in the socket. In Norway and https://damienbjpwa.vblogetin.com/34935637/top-guidelines-of-types-of-electrical-cord-plugs