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You Replaced A Light Switch – Now Things Do Not Work Right

I replaced a switch but now some things are not working right, how do I fix this? How to Fix Light Switch Wiring.

Light Switch Wiring

Question: I replaced a switch but now some things are not working right, how do I fix this?

Tim, a Homeowner in Minnesota asks:

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

Skill Level: 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 circuit of the light fixture and switch, turn it OFF and Tag it with a Note before working with the wiring.
Notice: Installing additional fixture wiring should be done according to local and national electrical codes, however replacing a light switch does not require a permit in most locations.
Materials: Make sure the replacement light switch has the same amperage and voltage rating as the original switch, and is fully compatible with the electrical circuit, the light fixture and the type of light bulbs being used.

How to Fix Light Switch Wiring

More about Light Switch Wiring

Home Wiring Diagrams

Wiring a Light Switch
Light Switch Wiring
Wiring a Light Switch – Diagram 1

How to Use Electrical Testers
digital-tester
Electrical Safety and Voltage Testers


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  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.

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