12 Volt 3 Way Switch Wiring Diagram

12 Volt 3 Way Switch Wiring Diagram - Aug 27, 2019  · To wire a 3 way light switch, you'll need 2 3-way light switches, 2 2-wire non-metallic cables, 1 3-wire non-metallic cable, and 2 6-inch grounding wires. First, run a 2-wire cable from the wall power to the black screw on 1 of the switches..