How To Wire A Three Way Light Switch With Dimmer

The source hot wire is spliced to the common on the dimmer and the neutral is splice through to the light fixture.

How to wire a three way light switch with dimmer.

At the 3 way switch the white cable wire is marked black and connected to the common terminal. Wiring a 3 way light switch. 3 way dimmer switches typically come with the following pre wired leads. These wires attach to the travelers which are the pair of wires attached to the two screws at one end of the regular 3 way switch.

A three way switch is built and wired a little differently than a conventional single pole light switch. From the dimmer 3 wire cable runs to the other switch and 2 wire cable runs to the light fixture. But if you re replacing a three way switch with a three way dimmer label the common wire it ll be labeled on the old switch when you remove the old switch so you can connect it to the common terminal on the dimmer. Three way switches can commonly be found at either end of a hallway near the doors of a very large room with multiple entryways or at the top and bottom of a set of stairs.

3 way switches are also marked with four wires in the wall outlet. A ground wire a hot lead wire and two travelers to allow for a connection to another switch or outlet. 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. They allow you the ability to turn the lights on or off from either location.

How to wire a three way dimmer switch. This lets you dim from one location and turn the lights on and off from another. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Attach to the bonded ground wire s in the switch box.

Three way light switches control a light from two locations such as from both ends of a staircase or hallway. Plus learn how to change a single pole switch to a 3 way switch. If only one switch controls the light purchase a single pole dimmer. These diagrams illustrate how to wire a pair of three way light switches in three different situations.

Wiring a standard 3 way dimmer switch.