Four Way Light Switch Wiring for Light Fixtures
April 16, 2012 by: Dave Rongey
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.
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.
The Safest Way to Test Electrical Devices and Identify Electric Wires!The Non-Contact Electrical Tester
This is a testing tool that I have had in my personal electrical tool pouch for years, and is the first test tool I grab to help identify electrical wiring. It is a Non-contact tester that I use to easily Detect Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.
The Quickest Way to Check for Faulty Electrical Wiring!The Plug-In Outlet Tester
This is the first tool I grab to troubleshoot a problem with outlet circuit wiring. This popular tester is also used by most inspectors to test for power and check the polarity of circuit wiring.
It detects probable improper wiring conditions in standard 110-125 VAC outlets Provides 6 probable wiring conditions that are quick and easy to read for ultimate efficiency Lights indicate if wiring is correct and indicator light chart is included Tests standard 3-wire outlets UL Listed Light indicates if wiring is incorrect Very handy and easy to use.
Strip Off Wire Insulation without Nicking and Damaging the Electric Wire!The Wire Stripper and Wire Cutter
My absolute favorite wire stripping tool that I have had in my personal electrical tool pouch for years, and this is the tool I use to safely strip electrical wires.
This handy tool has multiple uses:
The wire gauges are shown on the side of the tool so you know which slot to use for stripping insulation.
The end of the tool can be used to grip and bend wire which is handy for attaching wire onto the screw terminals of switches and outlets..
The wire stripper will work on both solid and stranded wire. This tool is Very Handy and Easy to Use.
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