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Electrical Wire and Cable


Cause of No Power to a Home Electrical Circuit

Identifying the Cause of Lost Power to a Home Electrical Circuit: The process of troubleshooting to find the electrical problem.


Causes of Lost Power to an Outlet or Light Circuit
Electrical Question: I have one room circuit with no electrical circuit power.

This electrical wiring question came from: Rick, a Homeowner from Georgetown , Kentucky.

Dave’s Reply:
Thanks for your electrical wiring question Rick.

electrical troubleshooting wiring repair

Application: Repairing Lost Power
Skill Level: Intermediate to Advanced, best repaired by a Licensed Electrician.
Tools Required: Basic Electricians Pouch Hand Tools and Voltage Tester.
Estimated Time: Depends on personal level experience, ability to work with hand tools and electrical troubleshooting skills.
Precaution: Identify the circuit, turn it OFF and then Tag it with a Note before performing any wiring or inspections.
Note: Electrical troubleshooting is best performed by an experienced electrician.

Identifying the Cause of Lost Power to an Electrical Circuit

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» 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.


  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.

« Why Are There White Wires On My Switch? What Size Light Bulb Is Safe For Fixtures? »

FAQs Frequently Asked Questions and Comments

2 Responses to “Cause of No Power to a Home Electrical Circuit”
  1. shawn mcintosh says:

    my son plugged in and turned the vacuum on in his room and the power went off in his room and to one socket in the front room it happened once before and it eventually started working I’ve tried turning the breaker off on back on but didn’t but the breaker didn’t show its was blown any way so what should I do?
    THANKS

    • Dave Rongey says:

      Shawn,
      The outlet that the vacuum was plunged into may have a bad wiring connection, or a splice for that circuit may be going bad. The circuit should be turned off so the outlet can be removed and inspected. Repair of the affected wiring will be required, and or replacing the outlet.
      Dave

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