Heartwarming Three Wire Light Switch Diagram
The black hot wire connects to the far right switch s common terminal.
Three wire light switch diagram. For the instructions below we re assuming that you are converting an existing 2 way switch to a 3 way version by changing the current single switch and. In this diagram power enters the fixture box. 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.
Here is our selection of three way light switch circuit diagrams. Red and blue wires link traveler terminals of both switches. At a glance 3 way switches look the same as the common single pole switch but instead of having only two screws on which to make your connections they have two connections on one side and one on the other.
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. Three way switches have become very popular because it adds convenience and ease to lighting in large rooms hallways and staircases. Depending on the current setup and the fixture you re wiring the switch into you may also need some additional wire nuts to create secure connections to your home s existing wiring.