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Electrical Wire and Cable

Installing Two 3 Way Dimmer Switches

Is it possible to have two three way dimmer switches? How to Make Two 3-Way Dimmer Switches Work Together.

3 Way Dimmer Switches and Compatibility
Electrical Question: Is it possible to have two three way dimmer switches?

I want to know if its possible to put two dimmer switches on one light.

Thanks a Bunch

This electrical question came from: Cory, a Handyman in Indiana.

Additional Comments: I love this site its helped me so much keep up the great work I really thank you so much.

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

How to Make Two 3-Way Dimmer Switches Work Together

Skill Level: Beginner to Intermediate – Best performed by a Licensed Electrician.
Tools Required: Basic Electricians Pouch Hand Tools and Voltage Tester.
Estimated Time: Depends on personal level experience and ability to work with tools.
Precaution: Identify the light circuit, turn it OFF and  Tag it with a Note before working with the dimmer switch wiring.

The Following will assist you with your electrical question:

wiring a dimmer switch

Electrical circuit

For more information about 3 Way Switch Diagram
3 Way Switch Diagram
3 Way Switch Diagram

» You Can Avoid Costly Mistakes! «

Here's How to Do It:
Wire It Right with the help of my Illustrated Wiring Book

Great for any Home Wiring 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.

Electrical Tips to Help You Wire it Right

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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FAQs Frequently Asked Questions and Comments

4 Responses to “Installing Two 3 Way Dimmer Switches”
  1. Mark Anderson says:

    What is overlamping?

    • Dave Rongey says:

      Hi Mark, Great Question!
      Overlamping is the term used by some to describe when a light bulb is installed into a light socket that is larger then the specified size, or the rated size according to the UL Approval for the light socket or the light fixture. Overlamping can cause the light fixture to overheat and could very well become a dangerous fire hazard. Therefore, overlamping is not encouraged, and should be avoided.
      I hope this helps you,

  2. andries says:

    Good day, I just want to know do you maybe have a diagram for 2way intermittent switching with 2 dimers?
    Thank you, hope you have a good day!

    • Dave Rongey says:

      Hi Andries,
      You may be referring to 3-way switches, otherwise it would be good to know more about the type of switches you are referring to. Some intermittent switches work with a control latching circuit which actives a lighting relay. Please take a look at the Control Relay pages found here, which may be helpful. If you could provide more information it would be very helpful.

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