The white wire becomes the energized. The set up consists of two 3 way switches and one or more 4 way switches see illustration below.
4 Way Switch Wiring Electrical 101
3 and 4 way switch wiring diagram pdf. How 4 way switch function. 4 way switch wiring diagrams this 4 way switch diagram 1 shows the power source starting at the left 3 way switch. 4 way switch wiring need two 3 way switches one at each end and then as many 4 way switches as you want in between. The white wire must be re identified as a hot wire at each switch location. Light switch wiring diagram south africa simple wiring diagram. With these diagrams below it will take the guess work out of wiring.
One 4 way switch. Below is another method for wiring 4 way switches. The electrical switch box that contains the line and load wires may need to be bigger than the other switch boxes especially if there are other wires going into the switch box. Watch the 4 way switch video below and pay attention. The system is often used in staircases to control the lighting at three different levels and in rooms with several entry points. 3 way switch wiring diagram pdf collections of best 3 way switch with outlet and light electrical outlet.
More 4 way switch wiring diagrams four way switch wiring schematic. Refer to led color codes on page 42. An example of three way switch wiring with the line and load in the same 4 square electrical box. 2 wire cable runs from the light to the first switch and then 3 wire is run between all the switches. This might seem intimidating but it does not have to be. If you understand how to wire a 3 way switch youll have no issues with a 4 way switch.
The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. Used also for 3 way 4 way pairing. 3 way switch wiring diagram pdf download. 3 way switch wiring diagram. You can have an indefinite number of 4 way switches in a circuit. 4 way dimmer switch wiring diagram.
Used also for connecting to the wi fi network. A 4 way switch is always placed in between two 3 way switches. This is the wiring for a dimmer in a 4 way circuit. The white wire between switches is not being used as a neutral. Idevices wall switch turn light on. 4 way switch diagram daytonva150.
Take a closer look at a 3 way switch wiring diagram. 4 way switch wring diagram. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches. In fact a dimmer can be used this way in place of any of the 3. 3 way switch wiring diagram with line and load in the same switch box. They all must be between the two 3 way switches.
Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Three wire cable runs between all the switches and 2 wire cable runs to the light. This 4 way switch diagram 2 shows the power source starting at the fixture. Refer to this when prompted to enter your homekit. Provides setup status and used as a night light during operation. Four way switch system a four way switch system consists of three or more switches to control the same light.