Dimmer Switch Wiring Diagram Usa. Here are the steps for wiring a three way dimmer switch. Traveler wires are interchangeable on each switch.
But if you re replacing a three way switch with a three way dimmer label the common wire it ll be labeled on the old switch when you remove the old switch so you can connect it to the common terminal on the dimmer. The black line wire connects to the common terminal of the 3 way dimmer. A 3 wire nm connects the travelers of the dimmer to the travelers of the 3 way switch.
A 3 wire nm connects the travelers of the dimmer to the travelers of the 3 way switch.
This simple diagram below will give you a better understanding of what this circuit is accomplishing. Here are the steps for wiring a three way dimmer switch. I don t have any instruction for it. In the diagram below a 2 wire nm cable supplies power from the panel to the dimmer box.
