In order to install a two way dimmer switch you need to understand a little bit about different types of switches.
2 way switch wiring with dimmer.
With a standard 2 way dimmer a single switch controls a single light.
Identify the light circuit turn it off and tag it with a note before working with the dimmer switch wiring.
Connect the ground wire from your dimmer to a green or bare copper wire in the wall box.
It doesn t matter if you reverse the two switch wires to a single pole dimmer.
For this you ll need one three way dimmer and one three way switch.
Next set up the three way dimmer switch wiring.
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.
3 way switch wiring diagrams do it yourself help throughout 2 way dimmer switch wiring diagram image size 502 x 330 px and to view image details please click the image.
With a three way dimmer you can control a light from 2 different locations.
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A standard single pole dimmers 2 way or three way dimmers.
Dimmers come in two basic wiring configurations.
Most switches are single pole switches.
You ll notice four colored wires.
If the house wires are bent use a wire stripper to cut off the twisted ends.
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In some systems the green wire might be copper or brown.
Remove 3 4 inch of casing from the end of the house wires and the dimmer switch wires if needed.
If you don t have this circuit you ll need to rewire with the standard red white black and green or brown.
Here are the steps for wiring a three way dimmer switch.
This means that it is the only control for the light.
Technically two way switches are called three way switches.
Red white black and green.