How to Safely Upgrade Your Home’s Knob and Tube Wiring


Upgrading from outdated and potentially dangerous knob and tube wiring in my home was one of the most intimidating but rewarding projects I have undertaken as a homeowner. As someone who knew little about electrical systems, I was cautious but determined to make my home safer.

In this article, I will provide a comprehensive, step-by-step guide to safely replacing knob and tube wiring, from assessing the scope of the project to hiring a licensed electrician. My goal is to empower homeowners to take control of this critical safety upgrade for their families.

Dangers of Knob and Tube Wiring

Knob and tube wiring was commonly installed in homes built before 1950. It features insulated wires supported by ceramic knobs and tubes between ceiling and floor joists. While this wiring met safety standards decades ago, it poses several risks today:

Upgrading knob and tube wiring isn't a luxury - it's a must for protecting your home and family.

Assessing Your Home's Knob and Tube Wiring

The first step is gaining a full understanding of the scope and location of knob and tube wiring in your home:

Thorough inspection and documentation provide you and the electrician a blueprint for the required updates.

Hiring a Licensed, Insured Electrician

Replacing knob and tube wiring is not a DIY project. Only a licensed electrician has the expertise to correctly handle electrical upgrades while meeting building code requirements. When hiring:

While expensive, hiring a pro is non-negotiable. Focus on finding the right electrician for your knob and tube replacement project.

Prioritizing the Electrical Upgrade

With the right electrician secured, you can now prioritize areas to start the upgrade process:

By tackling the most pressing and convenient areas first, you can take a strategic approach to replace knob and tube wiring over time if necessary.

Financial Assistance for Wiring Upgrades

The considerable costs involved in rewiring an entire home may be daunting. Take advantage of these options to reduce the financial burden:

With the right financing strategy, these investments in critical home safety upgrades are within reach.

Completing the Knob and Tube Replacement

Once work begins, here's what you can expect during the upgrade process:

Communicate expectations for minimizing disruptions and restoring surfaces after the upgrade.

Safety First When Upgrading Wiring

Above all, safety should be the top priority when planning for and completing knob and tube replacement:

By keeping safety at the forefront, you can rest assured knowing your home's electrical system is modernized and secure.


Replacing outdated and dangerous knob and tube wiring requires significant effort and investment. But I am so relieved to have a home with electrical systems designed to keep my family safe. I encourage all homeowners to take control of this critical safety upgrade project. With proper planning, hiring a professional, and prioritizing the work, you too can have peace of mind knowing your home's wiring meets modern safety standards.