How To Wire A Three Way Switch With Two Lights

Before replacing any 3 way switches that are broken turn off the power at the breaker box.

How to wire a three way switch with two lights. And make sure all of your ground connections are completed and securely fastened. Two 3 way switches are required in any 3 way application. Wiring a 3 way switch isn t that difficult. All three way switch and 2 way switch wiring diagrams have the same basic components.

A 3 way wall switch controls a common light or set of lights from two separate switch locations. The existing 2 wire black and white romex can still be used to connect a 3 way switch 2 and the light fixture. Two 2 wire cables c3 and c4 run between the fixtures and a 3 wire cable c2 runs from the second fixture f2 to the second 3 way switch sw2. The hot source is connected to the common terminal of sw1.

With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. In other words a 3 way switch is made up of one light that s controlled by two separate switches. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. This guide highlights the procedures for replacing a broken 3 way electrical switch.

Wiring a 3 way light switch. The answer to how it works is to have an extra hot wire that runs between the two switch boxes. To wire a 3 way light switch you ll need 2 3 way light switches 2 2 wire non metallic cables 1 3 wire non metallic cable and 2 6 inch grounding wires. Components of 3 way switch wiring.

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. First run a 2 wire cable from the wall power to the black screw on 1 of the switches. The most important rationale is that there are several ways that a three way switch can be wired.