3-Way Switch (Multiple Lights Between Switches) 3-Way Switch (Multiple Lights Between Switches) Below I've shown two variations of wiring multiple lights between 3-way switches. Option #1 is for power into the first switch, wire to the lights, and lastly wire from the light to the other switch. 3 Way Switch Diagrams for Multiple Lights 3 Way Switch Diagrams for Multiple Light Fixtures: 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 3 Way and 4 Way Wiring Diagrams with Multiple Lights - Do Wiring a 3 Way Switch with Multiple Lights. In this circuit, two light fixtures are shown but more can be added by duplicating the wiring arrangement between the fixtures for each additional light. Here the source is at the first switch, SW1, and 3-wire cable runs from there to the first light, L1.
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