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4 Way Switch Wiring Diagrams

How To Wire a Four Way Switch: I need to reconnect a 4 way switch and a wiring diagram with this configuration would be very helpful.

4 Way Switch Wiring for Light Fixtures
Electrical Question: I need to reconnect a 4 way switch and a wiring diagram with this configuration would be very helpful.

This electrical question came from: Larry, a Homeowner from Cliffwood, New Jersey.
Additional Comments: Thanks for all the helpful information!

Dave’s Reply:
Thanks for your electrical question Larry.

How To Wire a Four Way Switch


Application: Wiring a 4-Way Light Switch.
Skill Level: Intermediate to Advanced – Best installed by a Licensed Electrician.
Tools Required: Basic Electricians Pouch Hand Tools and Power Tools for installing electrical wiring, and Voltage Tester.
Estimated Time: Depends on personal level experience and ability to work with hand and power tools.
Precaution: Identify the lighting circuit, turn it OFF and Tag it with a Note before working with the wiring.
Notice: Installing additional 3-way or 4-way switch wiring should be done according to local and national electrical codes with a permit and be inspected.

4Way Switch Wiring

Larry, thanks for the wiring diagram, however I cannot show it here because it is incorrect, unless the power starts at the light, and it does not appear that way. To make this work you would need an additional cable run between the power source and the switch box where the cable leads to the light fixture.  Please see the 4-way switch wiring diagrams and instruction using the links below.

More about Wiring a Four-Way Switch

4 Way Switch Wiring
4 Way Switch Wiring

Electrical Wiring Diagrams
Home electrical wiring diagrams are an important tool for completing your electrical projects. An electrical wiring diagram can be as simple as a diagram showing how to install a new switch in your hallway, or as complex as the complete electrical blueprint for your new home or home improvement project.

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Complete Guide to Home Electrical Wiring

Perfect for Homeowners, Students,
Handyman, Handywomen, and Electricians
Wiring GFCI Outlets
Wiring Home Electric Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring Light Switches
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
NEC Codes for Home Electrical Wiring
....and much more.

Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.

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FAQs Frequently Asked Questions and Comments

4 Responses to “4 Way Switch Wiring Diagrams”
  1. Dave Elmore says:

    I want to install a motion sensor to a hallway light. The switch where the sensor needs to go is a 4 way switch. do they make such a sensor

  2. Dave Elmore says:

    Is there a motion sensor for a 4 way switch?

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