Remove 34 inch of casing from the end of the house wires and the dimmer switch wires if needed. The key here is that you cannot install standard 3 way dimmer switches.
Wiring Light Switch Or Dimmer
How to install a dimmer switch with 2 switches. Remove the plate that covers the switch and then unscrew the rest from the wall box. Screw the dimmer to the box with the screws provided. When installing dimmers for 3 way switches remember to buy a special 3 way dimmer switch it will say at the store and on the package. Twist the ends together clockwise and cap them using a wire connector nut. If the house wires are bent use a wire stripper to cut off the twisted ends. Finish the job by installing the cover plate and turning on the power to test the new dimmer.
A safe repair can be as simple as replacing the dimmer switch with a standard toggle switch but you also lose the ability to dim the light. The photo below right comes from a standard dimmer switch which should not be used to control the motor on a ceiling fan. Also only one switch in this setup can be on a dimmer. Three way switch wiring diagrams can be found using the. It doesnt matter if you reverse the two switch wires to a single pole dimmer. Dimmer switch on ceiling fan fire hazard.
Two dimmers may be installed to control one or more lights as long as the dimmer switches are compatible with each other such as one being the master and the other being the slave. Next set up the three way dimmer switch wiring. Connect the ground wire from your dimmer to a green or bare copper wire in the wall box. Use a voltage tester or turn the switch on and off to ensure that there is no power. Identify the light circuit turn it off and tag it with a note before working with the dimmer switch wiring. Fold the wires neatly into the box.
Also only one switch in this setup can be on a dimmer. How to make two 3 way dimmer switches work together. Gently pull the switch to expose the wires.
Gallery of How To Install A Dimmer Switch With 2 Switches
