Light Switch Diagram 3 Way. No more fumbling in the dark. The black line wire connects to the common terminal of the first 3 way switch.
Typical 3 way switch wiring nm cable. The black line wire connects to the common terminal of the first 3 way switch. 3 way switch wire diagram power to light 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.
Our easy to follow 3 way wiring diagram changing from a single pole to a 3 way light switch allows you to turn on any light from multiple locations such as at the top and bottom of a staircase or both ends of a hallway. Interested in a 4 way switch wiring diagram. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. 3 way switches have three terminals one common usually black color and one pair of travelers usually brass color.
