Wiring Diagram For Three Way Light Switch

3 way switch diagrams for multiple light fixtures. Two wire cable runs from the light to sw1 and 3 wire cable runs between sw1 and sw2.

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It is true that there are several wiring configurations for wiring 3 way light switches and all of the wiring configurations will depend on where the incoming circuit power is located and once that is identified the rest of the three way wiring connections are straight forward.

Wiring diagram for three way light switch. 3 way switch wiring with light first. Fixture between two three way switches. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Be sure to mark the white wire as noted so if any future repairs or replacement is needed whoever goes into the box will know it is marked as a hot wire. Power through switch light is controlled by two three way switches with the light between the switches and the power first going through a switch then to the light and onto the second three way switch. Wiring a three way light switch. In this diagram the source for the circuit is at the light fixture and the two switches come after. 3 way switch wiring diagram take a closer look at a 3 way switch wiring diagram. Wiring of 3 way light switches is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. Wiring a 3 way switch with the power coming in through the light and flowing to the switches.