Wall Receptacle Wiring Diagram. This wiring diagram illustrates adding wiring for a light switch to control an existing wall outlet. Diagrams shown on this page are simplified for clarity.
In this diagram 2 wire cable runs between sw1 and the outlet. A grounded contact at the bottom center is crescent shaped. Switched outlet wiring diagram depicts the electrical power from the circuit breaker panel entering the switched electrical receptacle outlet box where a two wire cable goes to the switch and another two wire cable feeds power to another outlet that is live at all times.
Back wiring means connecting the wire through an opening or into a clamp accessed on the back of the receptalce or switch.
In the diagram below a 2 wire nm cable supplies line voltage from the electrical panel to the first receptacle outlet box. Socket outlet wiring diagrams. The source is at sw1 and the hot wire is connected to one of the terminals there. Switched outlet wiring diagrams switched outlet wiring diagram depicts the electrical power from the circuit breaker panel entering the switched electrical.