This arrangement allows for lowering the lights in a 3 way circuit. Skip navigation sign in.

Std01 Martinjerry
Wiring a 3 way dimmer switch. Wiring a standard 3 way dimmer switch. After the lighting level has been set on one dimmer the other switch will turn. 3 way dimmer switch wiring diagrams. The following 3 diagrams show the wiring for a specially made dimmer that can be used in these circuits in place of either of the the 3 way switches or both. In the diagram below a 2 wire nm cable supplies power from the panel to the dimmer boxthe black line wire connects to the common terminal of the 3 way dimmera 3 wire nm connects the travelers of the dimmer to the travelers of the 3 way switchtraveler wires are interchangeable on each switch. Attach to the bonded ground wires in the switch box.
How to wire a 3 way dimmer with wire leads. Find the correct wiring for a 3 way switch in 2 minutes. How to wire a three way dimmer switch. How to wire a 3 way dimmer with wire leads. The primary thing that confuses most do it yourselfers is the fact that only one of the three way switches needs to be replaced with the dimmer switch. 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.
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. 3 way dimmer switches typically come with the following pre wired leads. They allow you the ability to turn the lights on or off from either location. Installing a three way dimmer switch on an existing 3 way switch circuit is not only a simple job but it will add flexibility to your lighting design and improve the overall atmosphere of your living space.