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Updating Knob and Tube Wiring for an Older Home

Is it common practice to add new wire with old knob and tube wiring? How to Replace Knob and Tube Wiring, Replacing Old Electrical Wiring, What Areas of the Home to Rewire First.

 

Guide to Replacing Outdated Electrical Wiring
Electrical Question: Is it common practice to add new wire with old knob and tube wiring?

I’m purchasing a 1910 home with updated 100amp service box located in the basement.

Please help!
Thanks, Ruth.

This electrical wiring question came from Ruth, in Allentown, Pennsylvania.

Additional Comments: Love your website!

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

Replacing Old Knob and Tube Electrical Wiring

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Wiring Home Electric Circuits
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How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
NEC Codes for Home Electrical Wiring
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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.
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Strip Off Wire Insulation without Nicking and Damaging the Electric Wire!

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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.
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« Electrical Occupation Outlook Rewiring an Older Home »

FAQs Frequently Asked Questions and Comments

2 Responses to “Updating Knob and Tube Wiring for an Older Home”
  1. CURTIS SCOTT says:

    I have a question about adding four 120 volt Baseboard heaters to and older house with Knob and Tube wiring.

    • Dave Rongey says:

      Hi Curtis,
      I would definitely install new dedicated circuits for the baseboard heaters that will be installed. The new circuits should be sized according to the electrical requirements of the new baseboard heaters.
      I hope this helps,
      Dave

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