Brilliant Three Way Switch Diagram

The white wire becomes the energized switch leg as indicated by using black or red electrical tape.

Three way switch diagram. The goal is to place two switches at separate locations which control the exact same device. Be sure to identify the electrical circuit correctly you ll be wiring into and turn off the breaker at your home s main electrical panel. The black line wire connects to the common terminal of the first 3 way switch.

3 way switch wiring diagram depicting all wires in the ceiling junction box. With these diagrams below it will take the guess work out of wiring. A three way switch is fundamentally different in its operation from a regular two way switch.

This might seem intimidating but it does not have to be. Wiring diagrams for 3 way switches. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut.

Three wire cable runs between the switches and 2 wire cable runs to the light. Turn the power off at circuit breaker. This 3 way light switch diagram shows connections when the power comes into the first switch on to the second switch and then on to two or more lights switched by the 3 way circuit.

Traveler wires are interchangeable on each switch. The black and red wires between sw1 and sw2 are connected to the traveler terminals. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together.

This 3 way light switch wiring diagram shows how to do the light switch wiring and the light when the power is coming to the light fixture. At each switch in the above 3 way switch wiring diagram the black wire gets connected to the common copper or black screw. Take a closer look at a 3 way switch wiring diagram.