
Removing nails from fixture boxes can be a challenging task, often requiring creativity and precision. The specific approach depends on various factors, such as the type of fixture box, its location, and the tools available. In some cases, individuals opt for prying the nails out using flathead screwdrivers, pry bars, or nippers. Others may use power tools like reciprocating saws, oscillating tools, or angle grinders to cut through the nails or surrounding materials. When dealing with old or damaged fixture boxes, the process may involve drilling out rivets and replacing them, ensuring compliance with safety codes.
Characteristics and Values Table
| Characteristics | Values |
|---|---|
| Tools | Large flathead screwdriver, nippers, diagonal pliers, saws-all, oscillating tool, hacksaw, multitool, pry bar, vice-grips, cat claw, crowbar, rotary tool, angle grinder |
| Techniques | Pry nails out, cut nails, drill out rivets, cut out nails with a reciprocating saw, cut out nailing tab, cut off nail heads |
| Considerations | Avoid damaging the ceiling, avoid creating a bigger repair job, ensure good air sealing when installing a new fixture |
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What You'll Learn

Using a screwdriver to pry the nail out
Removing nails from fixture boxes can be a challenging task, but with the right tools and techniques, it can be accomplished. In this case, we will focus on using a screwdriver to pry the nail out. Here is a step-by-step guide on how to do it:
First, ensure that you have the necessary tools, including a screwdriver, preferably a flathead screwdriver, and protective gear such as gloves and eye protection. It is also crucial to turn off the power supply to the fixture box to avoid any electrical hazards.
Once you have prepared your tools and ensured a safe working environment, you can start by examining the fixture box to understand how the nail is positioned and secured. Gently insert the screwdriver underneath the nail head, between the nail and the surrounding surface. This step may require some force, but be careful not to damage the surrounding material or the fixture box itself.
After gaining some leverage, slowly and carefully apply pressure to the screwdriver, prying the nail away from the stud or joist. It is essential to work gradually and avoid using excessive force, as this can lead to accidental damage or injury. If the nail is stubborn and difficult to move, you can try wiggling the screwdriver slightly or tapping it gently with a hammer to create more space.
In some cases, you may need to cut the nail. This can be done by using a saw or an oscillating tool with a sharp, high-quality blade. Ensure that you cut towards the middle of the nail to avoid damaging the surrounding area. If the nail is inside the box, you can use nippers or large diagonal cutters to grab the nail and apply pressure toward the stud while holding it firmly.
Throughout the process, it is crucial to maintain control and stability. Always be mindful of your surroundings and the potential risks associated with working near electrical components. If you encounter any complications or feel uncomfortable at any point, it is advisable to seek professional assistance or consult an electrician.
By following these steps and using a screwdriver to pry the nail out, you can successfully remove the nail from the fixture box. Remember to take your time, work cautiously, and prioritize safety throughout the process.
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Using a saw to cut the nail
If you are removing a fixture box that is nailed on, you may need to cut the nails with a saw. If the nails are inside the box, you can use a pair of nippers or large diagonals to pry the nail out by putting pressure toward the stud while holding the nail with the tool.
If you are cutting nails with a saw, you can use a metal saw, a woodworking hand saw, or a hacksaw. If you are using a reciprocating saw, a carbide blade will cut through a stubborn nail in about 2 seconds. If you are using a jigsaw, you may find that the blades get dull quickly. You can also use a cutoff wheel on a grinder for decking/drywall screws.
If you are using a woodworking hand saw, don't worry about damaging the saw—the teeth will be so tiny that you will hardly notice them. You can also use a crowbar or a hammer to assist in removing nails.
If you are using a saw to remove nails from a fixture box, you may want to use a sawzall with a short blade between the stud and the box, cutting towards the middle. An oscillating tool with a sharp, high-quality blade also works well, and the blade doesn't need to go past the nail.
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Drilling the nail head off
To begin, use a centre punch to create a small divot in the centre of the nail head. This will help keep your drill bit in place and prevent it from slipping. Next, select a drill bit that matches the size of the nail head. A 1/4" or 5/16" drill bit should be suitable for most nail heads. Secure the drill bit in your drill and place it directly over the nail head, ensuring it is positioned in the centre of the divot. Start drilling slowly and with minimal pressure to get a feel for the material and to prevent slipping. Once the drill bit has caught the divot, you can apply more pressure and drill through the nail head.
It is important to wear safety goggles and work gloves when performing this task to protect yourself from any flying debris. Additionally, make sure that the drill bit you are using is sharp and suitable for drilling through metal. If the nail is old, the nail head may be particularly hard, so take your time and let the drill do the work.
If you are unable to drill out the nail head, or if the nail is inaccessible, you may need to consider alternative methods, such as using a pry bar or a reciprocating saw to cut through the nail.
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Using a pry bar to lift the nail out
To remove a nail from a fixture box using a pry bar, you will first need to turn off the power to the circuit the outlet is on to ensure safety. Then, locate the stud the box is nailed to. If you are dealing with a ceiling fixture box, you can try accessing it from the attic to drive the nails down.
Once you have located the stud, use a pry bar to gently lift the nail out by prying the box slightly away from the stud. You only need to create enough space to slide a hacksaw blade between the box and the stud. If the nail is inside the box, you can use a pair of nippers or large diagonal pliers to pry the nail out by putting pressure toward the stud while holding the nail. If you are using a small pry bar, ensure that it can fit inside the box.
If you do not mind causing a little damage to the box, you can use a small pry bar to lift the edges of the nail and then see if the head gives before the nail comes out. A centre punch can also be used to make a small divot in the centre of the nail, and then use a drill bit to take the head off the shaft of the nail.
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Using a rotary tool to cut off the nail head
To begin, it is important to prioritize safety. Wear safety glasses or other eye protection to shield yourself from sparks and debris that can fly in any direction. Ensure you are wearing appropriate protective gear and that the work area is clear of any hazards.
Now, let's get started with the process:
Step 1: Prepare your rotary tool by attaching a cutoff wheel. Cutoff wheels are typically included in rotary tool kits, but they can also be purchased separately if needed.
Step 2: Place the fixture box on a flat surface, if possible, or hold it securely in a way that gives you a stable grip and clear access to the nail head.
Step 3: Position the rotary tool so that the cutoff wheel is directly over the nail head. Gently dip the tool down so that the cutoff wheel applies light pressure to the nail head. You may need to adjust the angle of the rotary tool to find the most effective cutting position.
Step 4: Start the rotary tool and slowly cut through the nail head. Depending on the thickness of the nail, you may need to make multiple passes or adjust the angle of the tool to cut through the entire head.
Step 5: Once the nail head is cut off, there may still be a portion of the nail protruding from the fixture box. Use a hammer to gently tap the remaining nail back into the wood, creating a smooth and finished look.
Step 6: If there are any surface fibers that have been disturbed during the process, use the hammer to gently shape them back into place, ensuring a neat appearance.
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Frequently asked questions
If you want to remove the nail without damaging the box, you can use a centre punch to make a small divot in the centre of the nail, then use a drill bit to take the head off the shaft of the nail.
If you want to avoid damaging the wall, you can use a multitool with a narrow blade to pry the nail away from the stud.
You can use a variety of tools to remove nails from a fixture box, including a flathead screwdriver, a pry bar, a reciprocating saw, a hacksaw, or a rotary tool with a cutoff wheel.
The best way to remove nails from a fixture box depends on your specific situation and goals. If you want to avoid damaging the box or the wall, you can use the methods mentioned above. If you don't mind damaging the box, you can use a small pry bar or a cat claw to lift the edges of the nail.
If you need to replace the fixture box, you can cut a 12x12 piece out of the wall, change the box, and then replace the cut piece. You may need to add short pieces of stud or other material to support the sides.











































