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Dimmer Switch Wiring Connections

Electrical Wire Connections for a Dimmer Switch – Many times it is found that a white wire may be used for a switch leg which will carry current or electricity to the light fixture. If you discover this, make sure to identify the wire as a switched wire.

 

Identifying Dimmer Switch Wiring Connections
Wiring a Dimmer: I am connecting a light fixture to a dimmer switch.

This electrical question came from: Garry, a Homeowner from Calgary, Canada

See more about Home Wiring for Canada

Dave’s Reply:
Thanks for your electrical question Garry

Dimmer Switch Wiring Connections

Garry, with a lot of switch wiring, the actual use of the wire should be identified using a voltage tester, and this would help out with your dimmer switch wiring project. There are some designations for wiring that can be easily identified, such as the following:

Typical Electrical Wiring Connections for a Dimmer Switch

Electrical Tip for Dimmer Switch Wiring

Generally most new switches come with an explanation for the wires found on the dimmer switch. Typically two wires will be one color, usually red which identifies the traveler wires, and the third wire is typically black. Most all dimmer switches are made to be used for either a single switch or a three way switch, so if you are replacing a single switch then cap off one of the two red traveler wires with a wire connector.

The Following will assist you with Wiring Dimmer Switches:

Wiring a Dimmer Switch
wiring-a-dimmer-switch

Guide to Home Electrical Wire
electrical-wire

Lighting For The Home


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

Great for any Home Wiring Project.


  electrical wiring  

Complete Guide to Home Electrical Wiring

Perfect for Homeowners, Students,
Handyman, Handywomen, and Electricians
Includes:
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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