3 Way Switch Light Wiring Diagram. Red and blue wires link traveler terminals of both switches. With these diagrams below it will take the guess work out of wiring.
Black live or hot wire green ground wire white neutral or common wire red terminal wire two 3 way switches. The electricity source is connected to the 3 way switch first. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture.
3 way switch wiring diagram depicting all wires in the ceiling junction box.
Before we get to wiring diagrams here is how the 3 way switch terminals are color coded. Light switch wiring diagram from. Wiring diagram 3 way switch with light at the end in this diagram the electrical source is at the first switch and the light is located at the end of the circuit. With these diagrams below it will take the guess work out of wiring.