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Electrical Wire and Cable

How to Repair Damaged Electrical Wires

What is the best way to repair damaged electrical wires? Methods for Repairing Damaged Electrical Wires.

Home Electrical Wiring Video

How to Wire a GFCI Outlet
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Repair Electrical Wiring
Electrical Question: What is the best way to repair damaged electrical wires?

Additional Comments: Thanks!
Background: Casey, a Handyman from Bellingham, Washington.

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

Methods for Repairing Damaged Electrical Wires


Application: Repairing Electrical Wiring.
Skill Level: Intermediate to Advanced. This electrical project is best performed by a Licensed Electrician or Electrical Contractor.
Tools Required: Basic Electricians Pouch Hand Tools and Voltage Tester.
Estimated Time: Depends on the personal level experience and ability to work with tools and access to the wiring.
Precaution: Identify the circuit, turn it OFF and then Tag it with a Note before performing any wiring.
Notice: Installing or repairing electrical wiring should be done according to local and national electrical codes with a permit and inspected.
Special Materials: Install a properly sized wire connectors, anti-corrosion ointment, electrical tape, junction box and blank cover.

Repair Damaged Electrical Wires

Example of Repairing Wire Damage:

More about Splicing Electrical Wiring

Home Electrical Wiring Codes

Electrical Code Articles for Home Wiring

Electrical Code Directory covering the methods and installation of electrical boxes and electrical wiring.

Splicing Electrical Wires

Electrical Junction Box Splice

Electrical junction box splices can be made safely when you understand the method. This example will show you how its done step by step and shows how to make a junction box splice and the related electrical codes.

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Home Wiring
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Basic Home Wiring Diagrams with Pictures.

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Dave's Guide to Home Electrical Wiring:

» 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, Handy Women, 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.

Learn more about Home Electrical Wiring
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Basic Home Electrical Wiring by Example

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

2 Responses to “How to Repair Damaged Electrical Wires”
  1. Kyna says:

    I have a halogen lamp that I have rarely used. I found it was not working so took it to a Hardware store to get the right halogen light bulb thinking it had ‘burned out’ The store clerk noticed that the electrical cord had a melted spot and figured that the wiring was probably damaged. How do I connect the wires after cutting them? I could splice then like twisting them together in a straight line (probably not secure enough if accidentally pulled or I could make loop them together by bending each wire backwards (onto itself), hooking them together, then twisting each wire around itself, then taping wire with electrical tape. There is a 3rd way using electrical connectors which I do not have and cannot buy at this present time. I’m very tempted to do the hooking type, but I’m not sure if doing so will cause overheating of each wire or cause more resistance in each wire. Please help me to figure this out. Thanks in advance for your consideration of this request. I await your answer. Thanks again.

  2. Dave Rongey says:

    Hi Kyna,
    The concern that I would have is why there was a melted area of the electrical cord. This may be an indication that the cord is actually not the right size for this light fixture, which could lead me to think that the light fixture may not be safe. As for repairing a cord for a light fixture, I would only reccomend replacing the whole cord with a new one because all electrical splices must be enclosed inside a protective enclosure. Consider taking the light fixture to a light fixture repair shop and have their technician evaluate the situation with special attention to the melted cord. The light socket should be examined to make sure the correct size lamp has been used as well.
    I hope this helps you.
    Be Safe,