Removing Unused Phone Jack Wiring

By Dave Rongey - Summary:

What To Do With Unused Telephone Wiring – If the phone wiring is disabled then sure, you can cover the the box where the phone jack was. Just make sure to make the other end of the phone cable accessible. Telephone wiring diagrams with photos and instructions will show you.

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Removing an Unused Phone Jack

Electrical Question: I never use the telephone jack in the kitchen.

  1. I’m having a tile backs plash put in.
  2. I want to disable phone jack and cover hole with small piece of wallboard so that tile can be placed over it.
  3. What do I need to do to the wires to safely tile over it?

This electrical question came from: Marie, a Homeowner from Marco Island, Florida
Additional Comments: If your answer enables me to successfully do what I want, then your website is GREAT!

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

What To Do With Unused Telephone Wiring

  • Marie, if the phone wiring is disabled then sure, you can cover the the box where the phone jack was.
  • Just make sure to make the other end of the phone cable accessible if you wish to use the phone service for that area in the future.
  • Insulate the ends of the telephone wires with either electrical tape or small wire nuts.

The Following will assist you with your Telephone Jack Wiring:

Telephone Wiring Diagram

Telephone Wiring

electrical wire

  • Electrical Wire for the Home
  • Complete listing of electrical wire types and parts used for home projects with electrical code information serves as selection guidelines.

For more information about Phone Jack Wiring
Telephone Wiring
Telephone Wiring

  • Phone Jack Wiring
  • This telephone wiring diagram with photos and instructions will show you the direct steps to correctly wiring a telephone jack.

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FAQs Frequently Asked Questions and Comments

4 Responses to “Removing Unused Phone Jack Wiring”
  1. Betty says:

    I had a single phone jack that an internet technician replaced with a double phone jack. I would like to remove the double phone jack and put the single phone jack back. How do I do this without getting a shock? Thanks.

    • Dave Rongey says:

      Hi Betty,
      How to Replace a Phone Jack Without Getting Shocked
      The safest way to work on a phone jack without getting a shock is to first disconnect the incoming service line which is typically found outside at the location where the telephone service lines connect to the home. The telephone terminal box contains the incoming service line which may be unplugged from the TEST JACK. Be advised that there are a wide variety of telephone service boxes, and service wiring connections, therefore it is hard to say exactly which type will be installed at your location. It would be best to have your telephone service provider assist you.
      Be Safe,

  2. Lisa says:

    We wanted to remove an unused phone jack from a bathroom. After we removed the cover and exposed the wires we cut the wires from the phone jack. Unfortunately we lost service to the other phones in the house. We tried twisting the same colors together but still don’t have service. What can we do?

    • Dave Rongey says:

      Hi Lisa,
      Make sure the same color wires have been reconnected and there are no visible signs of bare wires which could lead to shorting wires. As a safety precaution, if there is trouble on the line, or if the telephone wires at the home are damaged or shorted together the phone service will automatically be interrupted until the problem has been corrected, however in most cases once the problem is corrected the phone service will return to normal within a short period of time. If the phone service does not return to normal then you may need to contact your local phone service provider.


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