Wiring A Three Way Switch Diagram

To add the switch youll use one of two wiring diagrams depending on whether the power comes to your light switch first the most common situation or to the light fixture first. Take a closer look at a 3 way switch wiring diagram.

Alternate 3 Way Switches Electrical 101

Feed a length of 14 3 type nm cable or 12 3 if youre connecting to 12 gauge wire.

Wiring a three way switch diagram. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches. Wiring diagram 3 way switch with light at the end in this diagram the electrical source is at the first switch and the light is located at the end of the circuit. The power wire the neutral wire and the traveller or switch wire.

Interested in a 4 way switch wiring diagram. Turn off the correct circuit at your electrical panel. The cable should also have a ground wire or a total of four wires in the cable.

Pick the diagram that is most like the scenario you are in and see if you can wire your switch. This might seem intimidating but it does not have to be. Either way complete these five steps.

4 way dimmer switch wiring diagram. Three wire cable runs between all the switches and 2 wire cable runs to the light. The black and red wires between sw1 and sw2 are connected to the traveler terminals.

This is the wiring for a dimmer in a 4 way circuit. Add an electrical box for the second three way switch in the basement. Three wire cable runs between the switches and 2 wire cable runs to the light.

Three way switches require a three wire cable. The system also requires three way switches. Add an electrical box for the second three way switch in the basement.

Either way complete these five steps for 3 way light switch wiring. With these diagrams below it will take the guess work out of wiring. Turn off the correct circuit at your electrical panel.

3 Way Switch Wiring Diagram