Wiring A Three Way Switch With Power To Light First. The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box. 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.
3 Way Switch Wiring Diagrams 3 Way Switch Wiring Light Switch Wiring Wire Switch from www.pinterest.com
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. In this diagram the incoming hot wire attaches to the first switch s common dark colored terminal. The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch.
This first step will eventually send power directly to the light fixture.
A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. The hot source is spliced to the white wire which should be marked as being hot with black tap and run through to the common terminal of sw1 and from here the hot from the light is spliced through to the common. At each switch in the above 3 way switch wiring diagram the black wire gets connected to the common copper or black screw. Three way switch wiring where power goes directly to the light.
