3 Way Switch Dimmer Installation. Green wire: Attach to the bonded ground wire(s) in the switch box. They allow you the ability to turn the lights on or off from either location.
If the dimmer is turned way down, flipping the switch at the other location would provide a very dim light.
Traditionally, you cannot dim a light from two different switches, as it will cause a conflict in the circuitry.
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Installing a dimmer gives more control of your home's lighting, allowing you to change the mood of a room as you see fit. When I install the dimmer switch it works fine. When it comes to installation, one of the major benefits of the Lutron Caseta Wireless — the dimmers don't require a neutral wire.