How To Install A New Dimmer Light Switch

Give each wire nut a tug to be sure the connection is sound then feed the wire back into the electrical box followed by the new dimmer switch.

How to install a new dimmer light switch. Screw the dimmer to the box and install the cover plate. Learn how to install a dimmer switch it s not as complicated as you might imagine. Finish with the included light. Most dimmers require a decora style plate which has a rectangular opening for the switch so you may need to purchase one of them as well.

First determine the type of light that will be connected to the dimmer. If the light can be switched on and off from two or more switches buy a three way dimmer switch. Connect the ground wire from your dimmer to a green or bare copper wire in the wall box. Remove 3 4 inch of casing from the end of the house wires and the dimmer switch wires if needed.

But you won t be able to dim the lights from every switch location unless you buy a set of special dimmers with advanced electronics and install one at each switch location. Here are the steps for wiring a three way dimmer switch. Unscrew and remove the switch plate. Turn off the power to the switch at the circuit or fuse panel.

Install the new switch push the wires into the box being careful not to dislodge the connections and make space for the dimmer box. Then use a voltage tester to make sure that the circuit is dead. Attach the dimmer switch to the box and reinstall the switch plate once the wires are attached you can gently fold any excess wire and compress the dimmer into the electrical box. Move slowly to ensure the wires don t loosen or break if you have to force the switch into position.

Thehomedepot homeimprovement diy subscribe to the home depot. If the house wires are bent use a wire stripper to cut off the twisted ends. Unscrew the switch from the electrical box and pull it out with the wires still attached.