3 way light switch wiring diagram see below. Wire cutters and strippers.
Swap Out Those Old Crappy 3 Way Light Switches For Good Cnet
How to wire a 3 way electrical light switch. A non contact voltage tester. 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. 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. Add an electrical box for the second 3 way switch in the basement. 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.
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. 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. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. You must completely forget about the notion of a switch being a simple openclosed circuit and look.
In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. The black line wire connects to the common terminal of the first 3 way switch. Turn off the correct circuit at your electrical panel. Either way complete these five steps for 3 way light switch wiring. Take a closer look at a 3 way switch wiring diagram. 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.
Interested in a 4 way switch wiring diagram. This might seem intimidating but it does not have to be. 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. This guide highlights the procedures for replacing a broken 3 way electrical switch. 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.
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. 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. Traveler wires are interchangeable.
Gallery of How To Wire A 3 Way Electrical Light Switch
