I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. Questions about 1 â 4 way switches or 2 â 3 way switches total of 3 switches controlling same fixture.
Wiring A 4 Way Switch
4 way switch wiring options. The wire feeding the actual fixture must not be white and must not be a white that has been. The black line wire connects to the common terminal of the first 3 way switch. Power from light fixture to light switch. Do you need a 3 way switch wiring diagram. 4 way switch wiring options. Attach the black wire and white marked with blue wire going out of the box to the next switch to the bottom poles of the 3 way switch.
A 3 wire nm connects the traveler terminals of the first 3 way switch and the first 4 way switch. The following articles have the answers on how to do it yourself and wire these switches properly. Typical 4 way switch wiring nm cable in the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. The two 4 ways are located between the two 3 ways and the traveler wires run from sw1 to t1 on the first 4 way. Another 143 wire is used to connect another three way switch and finally a 142 wire is used to connect to the light or multiple light fixtures. 4 way switch wiring with four switches here two 4 way and two 3 way switches are used to control lights from four different locations.
A 143 wire is then used to go to a four way switch. T2 from that switch is wired to t1 on the second 4way and t2 connects to the travelers on sw2. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. These two wires are the travelers to the 4 way switch. Here you will have a 142 wire coming from the power source into a three way switch. The third wire the red will not be switched at the 4 way location but passes to the final 3 way switch.
Gallery of 4 Way Switch Wiring Options
