3 Way Lighting Diagram. 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. In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw.
Be sure to identify the electrical circuit correctly you ll be wiring into and turn off the. At a glance 3 way switches look the same as the common single pole switch but instead of having only two screws on which to make your connections they have two connections on one side and one on the other. Interested in a 4 way switch wiring diagram.
Three way switch lighting circuit diagrams.
The black and red wires between sw1 and sw2 are connected to the traveler terminals. In this diagram power enters the fixture box. Three way switch lighting circuit diagrams. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
