Three Way Switch Wiring Diagram With Multiple Lights

The answer to how it works is to have an extra hot wire that runs between the two switch boxes.

Three way switch wiring diagram with multiple lights. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. 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. 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. Wiring a 3 way light switch 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.

In other words a 3 way switch is made up of one light that s controlled by two separate switches. How to install a 3 way light switch overview. Wiring a 3 way switch isn t that difficult. The most important rationale is that there are several ways that a three way switch can be wired.

Here the source is at the first switch sw1 and 3 wire cable runs from there to the first light l1. Wiring a 3 way light switch.