The red and white are used as travelers between the 4 way and sw2. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects.
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How to wire a 4 way switch. At the 3 way switch the white cable wire is marked black and connected to the common terminal. When doing so i need to k. From the dimmer 3 wire cable runs to the other switch and 2 wire cable runs to the light fixture. This allows you to control a load from other locations in addition to the 2 locations that a 3 way circuit provides. As you will see most 4 way switch wiring is placed between the wiring of two 3 way switches therefore a 4way switch is installed with two 3way switches. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch.
The source hot wire is spliced to the common on the dimmer and the neutral is splice through to the light fixture. Then connect the black wire coming from the fixture to the black wire going to the first 3 way switch. First of all we need to go over a little basic terminology on switches. So in short you would cut the wire in between the two 3 ways and install a 4 way switch. How to wire a 4 way light switch with wiring diagram uses of 4 way switches. That is to say that any time you find a 4 way switch there will also be two 3 way switches.
How to wire a 4 way switch. Now thats sounds easy but you will most likely find that wire way to short to just cut it and install it in a new switch box. There are 4 places to terminate wire plus a green screw at the top of the. Back side of 4 way switch. To wire a 4 way switch start by turning off the circuit breaker for the room youre working in. 4 way wiring source and light middle.
The black wire running to the 4 way switch is connected to the hot terminal on the light and at the switch box its spliced to the black wire from the common on sw2. Free quick start guide here. The white wire is marked black at each end to mark it as hot. This is meant as a guide. I am upgrading a lot of light switches in my home to z wave smart switches. Your wiring could be very different.
It is easy when it is a simple switch but a 3 way 4 way or n way switch circuit is trickier. Wiring a 4 way switch is simply adding a switch to an already existing 3 way switch circuit. Next connect the white wire coming into the box to the white wire on the fixture. If more than three switches are needed simply place more 4 way switches between the three way switches. 4 way switch wiring 4 way switches provide switching from three or more locations. All you have to do is find the 3 wire running from one 3 way switch to the other 3 way switch and install the 4 way switch between the two.
Gallery of How To Wire A 4 Way Switch
