Replace Old Knob & Tube Wiring In Your Home

Knob And Tube Wiring Replacement

Replace Knob & Tube Wiring in Salt Lake City, UT: Upgrade Your Home Safety

Knob and tube wiring is an early method of electrical wiring in certain buildings and was really common until the early 1940s. It consisted of single-insulated copper conductors run within wall or ceiling cavities, passing through joist and stud drill-holes via protective porcelain insulating tubes, and supported along their length on nailed-down porcelain knob insulators.

Where conductors entered a wiring device such as a lamp or switch or were pulled into a wall, they were protected by flexible cloth insulating sleeves called “loom.” The first insulation was asphalt-saturated cotton cloth, then rubber became common. Wire splices in such installations were twisted together for good mechanical strength, then soldered and wrapped with rubber insulating tape and friction tape (asphalt-saturated cloth) or made inside metal junction boxes.

Compared to modern electrical wiring standards, knob and tube wiring methods have several serious shortcomings. This wiring method never included a safety grounding conductor and allowed for splicing of wiring in walls without a junction box which are both not allowed in todays code.

Knob and tube rewiring must always be handled by certified and insured professionals. If you have one in your home or business and want a professional knob and tube wiring replacement in Salt Lake City, UT, call us today to get started.

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When to Replace?

If you encounter any of these issues, you may need a knob and tube wiring replacement in Salt Lake City, UT:

  • Flickering or dimming lights
  • Frequent tripping of circuit breakers
  • Burning smell
  • Scorth marks around outlets
  • Inconsistent power supply
  • Visible wear-and-tear

New Amenities?

We recommend knob and tube wiring upgrade if you plan to have any of these items in your home:

How it works:


Free Assessment & Quote

One of our professional technicians will visit your home to assess your project. Call us today.

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Convenient Repairs & Service

We will find a convenient time and date to start your project and get you taken care of.

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Guaranteed Peace of Mind

We offer a two-year guarantee on all electrical labor and materials. This is our personal guarantee.

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Frequently Asked Questions:

1. What is knob and tube wiring, and why is it a concern?

Knob and tube wiring is an older electrical wiring system commonly used in homes built before the 1950s. It consists of ceramic knobs, porcelain tubes, and cloth-covered copper wiring. It can pose safety risks due to its outdated design, lack of grounding, and potential for insulation degradation over time.

2. Why should knob and tube wiring be corrected or replaced?

Knob and tube wiring is considered outdated and may not meet current electrical safety standards. It can be a fire hazard due to its insulation deterioration, inadequate grounding, and inability to handle modern electrical loads. Correcting or replacing it is crucial for ensuring the safety and functionality of your electrical system.

3. How can I determine if my home has knob and tube wiring?

A knob and tube replacement specialist can conduct a thorough inspection of your electrical system to identify the presence of knob and tube wiring. They will examine visible wiring, inspect the attic or basement spaces, and assess electrical panels to determine if knob and tube wiring is present in your home.

4. Can knob and tube wiring be repaired, or does it need to be completely replaced?

In most cases, complete knob and tube wiring replacement in Salt Lake City, UT, is recommended. Repairing the wiring is often not a feasible option due to safety concerns and the outdated nature of the system. Replacing the wiring with modern, code-compliant wiring ensures a safer and more reliable electrical system.

5. How disruptive is the process of correcting knob and tube wiring?

The extent of disruption depends on the size of your property and the accessibility of wiring. While the process may involve accessing wall cavities and ceilings, professional electricians from a knob and tube replacement company like Northern Electric Company take precautions to minimize damage and disruption. As top providers of professional knob and tube electrical wiring services, they will work with you to develop a plan that meets your needs while ensuring a smooth and efficient correction process.

Why Go with Us?

Selecting us means timely and well-prepared service. We offer an upfront, comprehensive project estimate and unwavering professional conduct. We are known for:

  • Clear Communication
  • Straightforward Pricing
  • Locally-Owned & Operated
  • Licensed and Insured
  • Google Guaranteed
  • Over 25 years of experience
  • Outstanding Customer Service
  • Full-Service Electrical Company
  • Free Estimates
  • Trusted and Recommended since 1995
  • Workmanship Guarantee
  • Peace of Mind Guarantee: 2-year guarantee on labor and material

What People Are Saying


The customer service at Northern Electric Company began with the friendly voice of Katie Perry and her consistent communication from the start to finish of the project—yes, I spoke with Katie Perry!  Brice the technician was professional, on time, and the job was completed in a timely manner with attention to detail.  Northern Electric Co. will forever be my electrical company an the one I will refer to all.

Mary Jean Hoss
Mary Jean Hoss

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