Four Way Light Switch Wiring for Light Fixtures
How to Wire 4-Way Switches Where Three or More Switches may be Used to Control Light Fixtures
How to Wire 4-Way Switches
Electrical Question: I can not seem to find the correct diagram for my 4-way switch configuration. I have 14-2 power into a 3-way on one side of the room, then 14-3 into a 4-way and from the 4-way 14-3 across the room to another 3-way. My problem is I have the power wire(s)from the light to the box where the 4-way is located. I cant find a diagram where the light is getting power from a 4-way. Everything I have found shows the light on the end of a run w/ a 3-way switch.
This electrical question came from: Tim, a Homeowner from Irwin , Pennsylvania.
See more about Home Wiring for Pennsylvania
Thanks for your electrical question Tim.
Wiring 4-Way Switches to Control Light Fixtures
Understanding Four Way Switch Wiring
Wiring 4-way switches
- Tim, 4-way switches work with 3-way switches. When more than two switches will be used to control lighting 4-way switches must be installed between the 3-way switches.
- There are several ways to wire 3-way and 4-way switches, and typically the cable leading to the light fixture is installed to the switch box that has the power supply cable because of the required neutral for the light fixture.
- The resources below provide links to wiring diagrams that will assist you to wire 4-way switches.
4 Way Switch Wiring
Fully explained 4 way switch diagrams. 4-way switches are a convenient way to operate lighting fixtures from three or more locations. The electrical wiring adds additional wiring to the same principles of 3-way switching.
3-Way Switch Wiring
3 Way Switch Wiring Diagrams
Testers to Help Solve Electrical Problems
You identified your project to be about 4 Way Switch Wiring, so you might find this information useful:
3 Way Switch Diagram
In response to the requests for this information, I have developed a comprehensive,step-by-step guide designed to walk you through the identification and wiring of your 3-way switches.
Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.
Wiring a Switch for an Air CompressorWayne asks:
I am wiring my 240volt air compressor using 10/3 to a lighted 30 amp switch to place by exit door to turn off when im away.
My question is: when I wire the switch I will have essentially two hots, do I place both the black and red on one screw and the black and red on the other?
Also its the lighted Leviton 3032-plr, a lot of the comments say I need to use the neutral to operate the light.
I dont know what to do with that.
Thanks for your help.
Wayne, The Leviton 3032-plr switch that you have described is for 120volt applications and will not work on a 240volt circuit.
A typical 240 volt air compressor requires two hots and a ground wire.
A neutral wire is not required.
A 120volt lighted control switch could be wired as an add on control circuit, however this would require a separate 120volt control circuit, a 120volt lighted switch, and a 120volt control relay with 240volt contacts rated for 30amps.
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