Commonly known as a figure-8 or shotgun connector due to the shape of its cross-section. This coupler is often used for small cassette recorders, battery/mains operated radios, battery chargers, some full size audio-visual equipment, laptop computer power supplies, video game consoles, and similar double-insulated appliances. A C8B inlet type is defined by the standard, for use by dual-voltage appliances; it has three pins, and can hold a C7 connector in either of two positions, allowing the user to select voltage by choosing the position the connector is inserted.NEMA connectors are power plugs and receptacles used for AC mains electricity in North America. A power cord, line cord, or mains cable is a cable that connects an appliance to the mains electricity supply via a wall socket or extension cord. NEMA 1, 2-prong plug and socket design, with two flat parallel non-coplanar blades and slots, is used in most of North America for consumer electronics such as clocks, radios,
