Below is a list of Electrical Connectors manufacturers from Joliet, Illinois. Electrical connectors are at the ends of power cords and in wall sockets and are used to transmit electric power, usually AC, between a power source and a device that operates on electric power; a connection that may be temporary, in the case of various portable appliances, or serve as a permanent electrical link between two wires or machines, like with a television cable. When an electric cord is molded to two connectors, it is known as an electrical cord set or power cord.