Sensational 3 Way Switch Line Diagram

Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches.

3 way switch line diagram. This wire diagram shows the wiring for source power into the first three way switch then 3 wire cable to the next 3 way light switch and then on to the light or light fixtures. Turn the power off at circuit breaker. How to determine the correct wires to attach to a 3 way switch when the wire and screw terminal color code is not certain.

3 way switch wiring diagram. Take a closer look at a 3 way switch wiring diagram. Do this before you disconnect any wires from the switches.

The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. This might seem intimidating but it does not have to be. For example if you measure 12 feet of cable between a new switch and existing fixture add another 2 feet for the two connections making the total 14 feet.

A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. To do this job you would need 17 feet of cable. All three way switch and 2 way switch wiring diagrams have the same basic components.

The first step in any electrical project is to make sure there is no power going to the circuit you plan to be working on. 3 way switch wiring diagram guitar source. Working with wire to make.

Add an extra foot for every connection you will make along the line. Then to provide a margin for error add 20 more. Then add 20 about 3 feet to the total.