How to Rewire a House Without Removing Drywall

When it comes to rewiring a house, most of the house owners freak out as this also requires removing the drywall. The entire process is time-consuming, and expensive as well

So, many house owners don’t go for rewiring instead, they use the old cables or just repair the wiring. But, this is pretty risky for safety.

If you are wondering about how to rewire a house without removing drywall, you can pretty much do it yourself with some basic skills regarding this matter and fixing experience.

You know what, removing the drywall isn’t a hard task. Rather, you can quite conveniently remove and install it. And if you are to rewire the house, removing the drywall will make things easy for you.

However, you may not want to spend too much time and money on this. You can rewire the house without causing any harm to the drywall by following the guide below.

Rewire a house without removing drywall


Every significant task requires proper planning, and house rewiring is no exception in this regard. If you prepare a decent plan, rewiring your house will become much easier and smoother.

Electric Blueprint

To retain the drywall, you need to detect or trace the circuits properly. Well, a comprehensive plan is certainly going to help you to accomplish this.

At this stage, it would be great if you can counsel a qualified and professional electrician to plan accordingly. This would help you to make a feasible plan with exact action guidelines.  

Following are the stages of formulating and planning to rewire the house without removing the drywall:

A Comprehensive Blueprint of the Previous Wiring

At this stage, you should detect the wirings that you need to change. If you prepare a complete drawing of the wires, the disruption would be much lesser. You can see through the wall with the help of this drawing.

A Comprehensive Blueprint of the New Wiring

You should make an altered plan for the wiring if the previous wiring is not the ideal one. At this point, you must figure out new requirements that you want to include with the new wiring.  

Calculations of the Wiring

After making the new wiring plan, you need to measure the number of cables and wires required to rewire the house. Well, the new wiring plan will be helpful for your electrician to know the most convenient routes as well.

In case you are doing the wiring on your own, a decent measurement will help you a lot. More so, this will make your task much easier.

Steps for Rewiring the House

If you have set the priorities right and did the homework as stated above, you are good to proceed with the following steps.

1. Preparation

As you don’t want to remove the drywall to rewire your house, you must use the crawl or attic space to run the new cables. In order to glide the cables, you should create room.

By utilizing this room, you can easily scratch down the path for removing the old wires besides installing the new ones.

At the same time, you must trace out the crawl area for your electrician to accomplish the rewiring task.

You can quite easily complete these preparation tasks by yourself. But to do so, you need to remove the mess nearby the electrical vents. Apart from that, you must ensure convenient access for the electricians to fix the wiring.

Also, you should organize your house before the electricians start their work. Keep the necessary items and furniture close to the hand.

2. Removing the Old Cables

Working with the wires involves risk. So, prior to doing anything, you must shut off the circuit that you will work on. For greater safety, you can even turn off the power of the house.

Besides, you should try to do this task of wire removing in the day. However, you must keep the lights on your hand.

When it comes to removing old cables, you cannot just pull them off. The cables usually are stapled with the wall, and if you don’t remain aware while removing the cables, you may face short circuit difficulty. 

Apart from that, you should not reject the old wires in the thrash. Rather, you must try to recycle those.

Once again, recheck the power of your house. If the power is off, you can then cut the wires. You should leave the concealed wire inside the drywall.

Here, you can only remove the visible part of the wires. Be sure to leave the concealed wires inside. Well, you can pull these wires from inside the room by patching the drywall. And if you don’t want to patch the wall, you can pull the wires in the crawl space.

3. Feeding New Wire

After removing the old wires, you need to focus on entering the new ones. It would be helpful if you have an assistant for this job. You can feed the cables through the crawl space while the other person holds the cables.

But before feeding the new wires, you have to cut the opening for all the boxes of the circuit. Then, you need to drill a hole of ¾ inch in the wall’s top. These holes should come right at the top or bottom of each and every opening. 

Then, feed the pre-calculated new cables through the openings inside the wall. If the measurements of the wires are correct, the wires can be easily run down through the walls.

Follow this process for each and every room till you fix all the wires accordingly.

Tips and Tricks

Rewiring a house without removing the drywall can be a little tricky at times. However, if you learn some basic tricks and tips, it would be quite easy for you to implement this task.

To avoid the risk factor, it would be better for you to call a professional electrician or can take advice from him. Since the electricians take additional precautions in this sort of work. Calling a professional will certainly lessen the chance of making any mistakes.

Use a Flashlight

Be sure to keep additional batteries on your hand for the flashlight at the time of rewiring. Just in case the flashlight battery damages, you can quickly change the batteries without delaying the work.

Fasten Cables

Since you want to rewire your house without removing the drywall, it will be not possible for you to staple the cable. However, you also don’t like your wire to be disconnected and fallen behind the drywall. So, to keep the wires protected you can fasten those with the rafters or joists.

Get Assistance from a Junction Box

At the same time, you don’t want to keep the wires unorganized. To overcome this situation, you would require junction boxes for every single room. A junction box not only helps you to keep the wires organized but also provides you the opportunity to make any adjustment later.

Use Electrical Gloves

Dealing with electrical wires can be risky at times. So, to avoid any sort of injuries, you should wear electrical gloves. More so, you can put marks on the wires by covering them with tiny pieces of concealing tape.

You can write down the connections between the wires. This will make your future repairing work easy and quick.

Final Words

There comes a time when every house requires rewiring. However, you don’t want to incise the whole drywall and wiring. I hope, now you have figured out how to rewrite a house without removing the drywall. If there any dent or other kind of damage happens to drywall you can check this article to fix drywall damage. Be sure to take all the safety precautions before attempting the steps.

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