Light Switch 2wire Wiring Diagram

The electrical symbol indicates where power enters the circuit.
Light switch 2wire wiring diagram. With alternate light switch wiring an nm cable supplies line voltage from the electrical panel to a light fixture outlet box. The source neutral wire is spliced to the neutral on the receptacle half of the combo device and to the white cable wire running to the light. A 2 way switch wiring diagram with power feed from the switch light. The white wire of the romex going to the switch is attached to the black line in the fixture box using a wirenut.
In the diagram below right a 2 wire nm cable that connects the light fixture to the switch carries 2 line wires one line and one switched line. This switch wiring diagram shows the power source starting at the fixture box. Fully explained wiring instructions complete with a picture series of an installation and wiring diagrams can be found here in the gfi and light switch area here in this website. At the light it connects to the neutral terminal.
Two wire cable runs from the combo to the light fixture and the switch output is connected to the black wire running to the fixture hot terminal. Here is our selection of two way switch circuit diagrams. Just click the wiring diagrams. Two way switch lighting circuit diagrams.
The white wire becomes the energized switch leg as indicated by using black or red electrical tape. Questions about wiring switches. Another nm cable connects from the light fixture box to the switch box. 2 way light switch circuit wiring diagrams.
The power source comes from the fixture and then connects to the power terminal.