A 3 way wall switch controls a common light or set of lights from two separate switch locations. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
Wiring 3 Way Insteon Switches Home Automation Guru
How to wire up a three way switch. The two hot wires of three wire cable connect to a pair of. Heres how to wire a three way switch with easy tips from the family handyman. Important note about your safety. Typical 3 way switch wiring nm cable. Before you grab your toolbox and set out to wire a three way switch wire a ceiling fan or any other electrical work be sure to take proper safety precautionsthis type of electrical work isnt overly complicated but any electrical work can be dangerous if you dont know what youre doing. With these diagrams below it will take the guess work out of wiring.
Two 3 way switches are required in any 3 way application. Before replacing any 3 way switches that are broken turn off the power at the breaker box. Take a closer look at a 3 way switch wiring diagram. This 3 way switch wiring diagram shows how to wire the switches and the light when the power is coming to the light switch. This might seem intimidating but it does not have to be. First run a 2 wire cable from the wall power to the black screw on 1 of the switches.
A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. 3 way switch wire diagram power to light switch. Traveler wires are interchangeable. In this diagram the incoming hot wire attaches to the first switchs common dark colored terminal. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. The ground wire goes through both switch boxes and the ceiling light box and it is connected at all junctions except the light with a pigtail short piece of wire and wire connector.
This guide highlights the procedures for replacing a broken 3 way electrical switch. To wire a 3 way light switch youll need 2 3 way light switches 2 2 wire non metallic cables 1 3 wire non metallic cable and 2 6 inch grounding wires. Two three way switches control one light with the electric power coming through the first switch flowing to the second switch and then to the light fixture. The black line wire connects to the common terminal of the first 3 way switch.
Gallery of How To Wire Up A Three Way Switch
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