Rewiring a home can seem like a daunting task, but with proper planning and safety precautions, even beginners can successfully rewire their own homes without hiring an electrician. I have tackled several home rewiring projects over the years, and in this comprehensive guide, I will walk you through the entire process from start to finish.

Whether you want to upgrade from outdated knob and tube wiring, increase your home's amperage, or just replace some old and unsafe circuits, this guide has all the steps and tips you need to complete your own electrical rewiring project. I will cover everything from getting the right permits and materials to wiring new circuits and installing new electrical panels. With my guidance, you can gain the skills and confidence to safely rewire your home's electrical system to modern standards.

Getting Permits and Planning the Project

Before beginning any electrical work, it's crucial to get the proper permits. Every municipality has its own permit requirements, so you'll need to check with your local building department to find out exactly what's needed. At a minimum, you'll likely need an electrical permit specifying the scope of the rewiring work.

In addition to permits, planning is vital to a smooth rewiring project. Consider the following preparations:

Stocking Up on the Right Electrical Supplies

Once permits are in order and I've planned the full scope of the rewiring project, it's time to obtain the necessary materials. Having all the right supplies on hand will make the rewiring process far more efficient. Here are the key items I'll need:

Turning Off Power and Removing Old Wiring

Now the fun begins! With my permits and supplies ready to go, I'm ready to safely turn off power and start eliminating the old wiring. Safety is paramount when dealing with electricity. I take the following steps:

Rewiring a home takes time, so I don't try to remove all old wiring at once. As I run new circuits, I take out the corresponding old wires. This keeps the home live until I'm ready to fully transition over.

Running New Wiring Circuits

The truly fun work begins when I start running the new wiring through the house. This is where all the advance planning and preparation pays off. When running new NM cable, I follow these guidelines:

Take things slowly and double-check all work. Safely installing new wiring is a satisfying process. Before long, I'll have modern electrical circuits throughout my home!

Installing the New Electrical Panel

Once the new wiring is in place, I can install the upgraded main service panel and breakers. For a 100 amp or greater service, I typically hire an electrician for this part since it involves working on live main lines. But for simpler panel swaps, I'm able to do it safely myself following these precautions:

Connecting New Wires and Restoring Power

The final stage involves connecting all my new wiring to the updated panel by:

With everything verified, I take a deep breath and switch the main breaker back on. I keep an eye out for any smoke or sparks indicating issues. If all looks good, I methodically turn on each new circuit one by one. Success! My home now has a modern, safe electrical system wired with care by my own hands.

Helpful Rewiring Tips and Tricks

After completing several whole-home rewiring projects on my own, I've picked up useful tips that I wish I knew starting out. Here are a few helpful tricks to make a DIY rewiring project go smoothly:


While rewiring an entire home is a major undertaking, it's quite doable for an ambitious DIYer who puts in the time to plan the project fully and uses safe wiring techniques. The job may take awhile, but the payoff is well worth it in terms of home safety, peace of mind, and improved electrical capacity. I hope this comprehensive guide gives you the confidence to tackle your own home rewiring project and enjoy the satisfaction of quality work done with your own hands. So turn off that main breaker, grab your wire strippers, and let's rewire!