A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. A four way switch is added when there are more than two switch locations operating the same light.
The wiring diagram further down depicts another choice of wiring method.
4 way wiring diagram. 4 way dimmer switch wiring diagram. A 4 way switch is always placed in between two 3 way switches. Telecaster 4 way wiring diagrams this wiring diagram assumes you are using a metal control plate.
This is the wiring for a dimmer in a 4 way circuit. Three wire cable runs between all the switches and 2 wire cable runs to the light. Volume 250k tone hot output output jack o o o o o o sleeve ground.
Four way switch wiring schematic. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. A 3 wire nm connects the traveler terminals of the first 3 way switch and the first 4 way switch.
The white wire becomes the energized. Wiring a new 4 way switch. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white.
If you are not using a metal control plate you will need to run a small ground wire from the volume pot to the tone pot. The 4 way is used when you want to control the light or lights from two or more locations. Same diagram but with 4 way switch added.
You can have an indefinite number of 4 way switches in a circuit. This diagram is a thumbnail. Typical 4 way switch wiring nm cable.
4 way switch wiring diagrams this 4 way switch diagram 1 shows the power source starting at the left 3 way switch. 3 way and 4 way switch wiring diagrams. Watch the 4 way switch video below and pay attention.
4 way flat molded connectors allow basic hookup for three lighting functions. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches. 4 way switch wring diagram.
Trailer wiring diagrams 4 way systems. While some of the work being done will be with wires that cannot be carrying power yet there must. At the risk of being repetitious make sure the power is off before making any connections to an existing circuit.
If you understand how to wire a 3 way switch you ll have no issues with a 4 way switch. To view it at full size click on the diagram. Click here to access note.
I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. This 4 way switch diagram 2 shows the power source starting at the fixture. For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article.
The schematic diagram below shows how all four way switches are wired. 4 way switch wiring diagrams. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box.
The black line wire connects to the common terminal of the first 3 way switch. They all must be between the two 3 way switches.