3 Way Switch Diagram. 3 way switch wiring diagrams wiring diagram 3 way switch with light at the end. Red and blue wires link traveler terminals of both switches.
The black line wire connects to the common terminal of the first 3 way switch. Red and blue wires link traveler terminals of both switches. 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.
Red and blue wires link traveler terminals of both switches.
3 way switch wire diagram power to light fixture in this diagram power enters the fixture box. Regardless of what 3 way switch wiring diagram you re following you ll need to use a 3 wire cable to connect the two 3 way light switches. To get started take a look at the first diagram below. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
