Wire cutters and strippers. 3 way light switch wiring diagram see below.
How To Wire And Install 3 Way Switches
How to wire a 3 way electrical light switch. Add an electrical box for the second 3 way switch in the basement. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. A non contact voltage tester. Turn off the correct circuit at your electrical panel. Typical 3 way switch wiring nm cable. First run a 2 wire cable from the wall power to the black screw on 1 of the switches.
The black line wire connects to the common terminal of the first 3 way 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. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. This guide highlights the procedures for replacing a broken 3 way electrical switch. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. Interested in a 4 way switch wiring diagram.
Take a closer look at a 3 way switch wiring diagram. Its likely youll also need to replace the existing switch box with a larger one to accommodate the extra wires for the 3 way switch. This might seem intimidating but it does not have to be. In a hallway or large room for example installing three way switches at both ends lets you turn the light fixture on or off from both locations. 3 way switch 2 3 way wire which has black white and red coated wires and of course a copper ground wire electrical boxes of appropriate size to hold 3 way switch and wire. You must completely forget about the notion of a switch being a simple openclosed circuit and look.
Two 3 way switches are required in any 3 way application. A three way switch is fundamentally different in its operation from a regular two way switch. A three way wall switch is a common type of light switch that makes it possible to control a ceiling light or other electrical fixture from two different locations in a room. Traveler wires are interchangeable. Before proceeding make sure you are comfortable working with electrical wires and switches. With these diagrams below it will take the guess work out of wiring.
Either way complete these five steps for 3 way light switch wiring. A 3 way wall switch controls a common light or set of lights from two separate switch locations. The purpose of a three way electrical switch knowing how to wire a three way lighting switch comes down to understanding the operation of this contraption.
Gallery of How To Wire A 3 Way Electrical Light Switch
