3 Way Switch Wiring Diagram Power At Switch. In other words, a 3 way switch is made up of one light that’s controlled by two separate switches. The wiring diagram further down depicts another choice of wiring method.
Be sure to mark the white wire as noted so if any future repairs or replacement is needed, whoever goes into the box will know it is marked as a hot wire. Variety of 3 way switch wiring diagram light in middle. The white wire between switches is not being used as a neutral.
Traveler wires are interchangeable on each switch.
The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. 3 way switch wiring diagram. The goal is to place two switches at separate locations which control the exact same device. You will see what you need to do when the power is coming to the light switch.