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Why Your Light Fixture May Not Be Working


By Dave Rongey - Summary:

Light Fixture Problems and How to Fix Them:


Light Fixtures that Stop Working

Electrical Question: I have a wall plug which I use for a table light. I attempted to turn the light on, but the light will not work.

  • I attempted to turn the light on, but the light will not work.
  • It was working earlier in the day.
  • The bulb is good and I reset the breaker for that specific plug and still got nothing.
  • Also I noted that two adjacent wall switches are not working either.
  • Other wall plugs and switches serviced by that breaker are working.

This electrical wiring question came from: Glen, a Homeowner from San Antonio, Texas.

Dave’s Reply:
Thanks for your electric wiring question Glen.

Light Fixture Problems and How to Fix Them

PREPARATION
Skill Level: Intermediate to Advanced – Best performed 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 light circuit, turn it OFF and then Tag it with a Note before performing any wiring or inspections.
Note: Electrical troubleshooting for lighting is best performed by a qualified electrical contractor.

Light Fixture Electrical Circuit Problems

  • Light Switch and Electric Wiring
    • Glen, because you have stated that the electrical power is not working for more devices in this room the wall light switch should be tested. The wire splices located in the wall switch electrical box should be examined for possible loose or burnt connections.
  • Identify Problem Wire Splice
    • In many cases such as this the problem may be caused by a faulty electrical connection or an electrical splice connection that has failed.
  • Checking Other Switch Locations
    • All electrical junction boxes associated with this circuit should be opened and examined as well until the problem has been located.
  • Repairing an Electrical Wire Splice
    • Burnt wiring or electrical wire splices will need to be repaired by removing the burnt areas of the wire and creating a new splice with a quality wire connector.
    • It is best to use a pair of pliers to twist the wires together gently and then trimming off the ends of the wire.

More about Light Switches and Electrical Wiring

How to Wire a Switch
electrical-switches

Wiring a Light Switch – Diagram 1

  • Wiring Diagrams
    • Fully Explained Light Switch Wiring Diagrams. Detailed Electrical Wiring Diagrams and Pictures assist your Home Electrical Projects.

Circuit Wiring
Circuit Wiring

  • Electrical Circuit Wiring

    • This article looks at common 120 volt and 240 volt house wiring circuits and the circuit breakers that are installed identifying the types and amperage sizes used in most homes.


Splicing Electrical Wires

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  • 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.

Using Testers to Identify Electrical Problems
digital-tester




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» Click here to learn more about Home Electrical Wiring «
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