Light Switch Wiring Diagram Red Black White. The red and black wires running from sw1 to the outlet are used as travelers. An extra red wire in the electrical box is probably an extra hot wire for a fan.
Black wire this is the hot or load wire. Basic knowledge of how to wire a light switch. This type of switch lets you turn the light off or on from more than one place in the room.
This 3 way light switch wiring diagram shows how to do the light switch wiring and the light when the power is coming to the light fixture.
Black white and bare. Be sure to attach a bare copper wire to the green screw on the switch. Black wire this is the hot or load wire. The colors regulated by the national electrical code in the united states are standardized for safety.
