3 Way Dimmer Switch Wiring
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Installing a 3 way dimmer switch box with green, 2 reds and black.
© By: Dave Rongey
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Wiring a 3 Way Dimmer Switch
Background: Tim, a Homeowner from Green Valley, Arizona.
[ad#block]Question: Installing a 3 way dimmer switch box with green, 2 reds and black. The current house wiring is bare copper black and white leads.
The direction state:
1)green to bare copper
2) ID tagged or marked wire? removed from the colored switch screw labeled common or com. connect this wire to only black wire on the dimmer?
3) Choose either red dimmer wire and connect to either of the wires previously removed from the switch?
4) With only one red wire remaining from the dimmer connect this wire to remaining wire previously removed from the switch??
Dave’s Reply:
Thanks for your electrical question Tim.
I have provided the following links that lead to fully detailed information on this website that will assist you with your electrical question:
More about How to Wire a Dimmer Switch
3 Way Switch Diagram
Electrical Junction Boxes
Electrical Code for How Many Wires in Junction Boxes
Dimmer Switch Wiring
Electrical Wiring
Light Switch Wiring
Wiring Diagrams
Electrical Wire for the Home
The following may also be helpful for you:
A Complete Guide to Home Electrical Wiring
Be sure to get your copy of my BIG Book:
Perfect for Homeowners, Students and Electricians
Includes:
Home Electrical Wiring - Room by Room
120 Volt Circuits
240 Volt Circuits
Multi-Wired Circuits
Wiring Methods for Installing Home Electrical Circuit Wiring
Electrical Codes for Home Electrical Wiring
....and much more.
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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
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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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Electrical Parts to Help You Wire it Right
Switches Parts and Accessories
Light Switch Single Pole
3 Way Light Switch
4 Way Light Switch
Switch and Outlet Combo
Dimmer Switch
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