3 Way Switch One Light Diagram. This might seem intimidating but it does not have to be. 3 way switch wiring diagram depicting all wires in the ceiling junction box.
At each switch in the above 3 way switch wiring diagram the black wire gets connected to the common copper or black screw. Green for ground terminal. Before we get to wiring diagrams here is how the 3 way switch terminals are color coded.
Yellow for traveler terminals.
Wiring diagram 3 way switch with light at the end. Before we get to wiring diagrams here is how the 3 way switch terminals are color coded. 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. In this diagram power enters the fixture box.
