Four Way Switch Wiring Diagram For Light. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. Now lets go over this type of setup.
Sno switch 1 com switch 2 com light 1 l 1. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. These link the switch to your light fixture.
A second bundle four wire should contain three colored wires black white red and a copper bare.
Electricians call the continuous hot wire the line wire. All earth wires should connect to the earth terminal in the switch back boxes and if you are using metal switches there must be a loop from this earth terminal to the one on the switch plate see note a on fig 2 four way switching and more. There will also be a grounding terminal on the switch which is connected to the bare grounding wires or to a metallic junction box if you have one for additional safety. 4 way switch wiring diagram power at light.