Wiring Dimmer Switch Diagram. Both are wired the same way. When replacing an existing 3 way switch take note of how the existing switch is wired before you remove the wiring then refer to your notes to help you wire the new 3 way dimmer switch.
Many manufacturers are now producing dimmer switches that can be used for either single pole or 3 way switches. Now in the diagram above the power source is coming in from the left. Remove 3 4 inch of casing from the end of the house wires and the dimmer switch wires if needed.
When wiring a dimmer switch circuit all we want to do is to control the black wire hot wire to turn dim brighten the load.
3 way dimmer switch wiring diagram a dimmer switch can be either a rotary or a sliding switch that lets you adjust the intensity of a light. 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. If you are replacing an existing 3 way switch.
