
Removing electrical boxes that are nailed on can be a challenging task, often requiring creativity and a range of tools. The specific approach may depend on various factors, such as the type of box, its location, and the tools available. In some cases, simply cutting the nails with a reciprocating saw or a hacksaw may do the trick. However, if the nails are inside the box, one might need to use nippers or large diagonals to pry them out. For those reluctant to get into the attic or cut into walls, drilling out rivets and removing the backing plate could be an alternative approach, although this may prevent the box from being reused.
| Characteristics | Values |
|---|---|
| Tools | Reciprocating saw with a metal blade, nippers, large diagonals, large flathead screwdriver, sawzall, oscillating tool with a sharp blade, oscillating saw, hacksaw, carbide-tipped blades, side cutters, beater |
| Techniques | Cutting the nails, prying the box, cutting the nailing tab, drilling out rivets, removing the backing plate |
| Considerations | Access to the attic or area above the box, destroying the wall, matching the existing junction box, using the correct screw size and thread pitch, supporting the sides of the box |
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$7.95
What You'll Learn

Use a reciprocating saw with a metal blade to cut the nails
If you're looking to remove an electrical box that is nailed in, one effective method is to use a reciprocating saw with a metal blade to cut through the nails. This approach can be especially useful when dealing with plastic junction boxes.
To start, ensure you have the right equipment. A reciprocating saw, also known as a Sawzall, is a versatile power tool that allows for various blade types. For cutting nails, a metal blade is required. Look for a fine-tooth metal blade designed for use with reciprocating saws, such as the Diablo Steel Demon carbide-tipped blade. These carbide-tipped blades are durable and capable of cutting through metal efficiently.
When using the reciprocating saw, exercise caution and maintain a steady grip. Cut through the nails holding the electrical box in place, being mindful not to damage the surrounding area. Depending on the accessibility of the nails, you may need to cut through them from the side or from the top. If the nails are embedded within the box, you might need to use a different tool, such as nippers or large diagonal cutters, to pry them out.
In some cases, it may be necessary to score around the old box to ensure it isn't attached to the surrounding plaster or sheetrock, reducing the chances of cracking or damage during removal. Additionally, gently prying the box away from the stud with a large flathead screwdriver can provide some leverage and make the cutting process easier.
By following these steps and using a reciprocating saw with a metal blade, you can effectively cut through the nails securing the electrical box, allowing for its removal. Remember to wear appropriate safety gear, including eye protection, when operating power tools and always work with caution.
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Cut the nails from inside the box with nippers or large diagonal pliers
Removing a nailed-on electrical box can be a challenging task, often requiring creativity and a good set of tools. While there are various approaches to this problem, one effective method is to cut the nails from inside the box using nippers or large diagonal pliers. Here is a detailed guide on how to tackle this task:
First, it is important to understand the setup of the electrical box. These boxes are typically attached to a ceiling joist or a rail that bridges between two joists. Before attempting any removal, ensure that you have turned off the power supply to the box for safety reasons.
Now, let's focus on the process of cutting the nails from inside the box. Using nippers or large diagonal pliers, follow these steps:
- Gain access to the inside of the box: You may need to remove any screws or other fasteners that are holding the box in place. Be careful not to damage the surrounding area, such as the ceiling drywall or plaster, as this can lead to a bigger repair job.
- Locate the nails: Identify the nails that are holding the box in place. They may be hidden or difficult to access, so a flashlight or a small mirror can be useful tools to help you see inside the box.
- Use nippers or large diagonal pliers: Once you have located the nails, use your nippers or large diagonal pliers to cut them. Apply pressure toward the stud while holding the nail with your tool of choice. This may require some force, so be sure to use tools that are sized appropriately for your hand strength.
- Protect surrounding areas: To avoid damage to the surrounding area, you may want to use a piece of wood or cardboard as a protective layer between the pliers and the wall or ceiling. This will help prevent accidental marks or indentations.
- Cut the nails: With your tool firmly gripping the nail, cut it as close to the stud as possible. You may need to make multiple cuts to completely sever the nail. If the nails are very thick or stubborn, you may need to use a stronger tool, such as bolt cutters, or an alternative method, such as using a saw.
- Remove the box: After cutting the nails, the electrical box should be free from its mounting. Gently pry the box away from the stud, being careful not to damage any surrounding materials or wiring.
By following these steps and taking your time, you can effectively remove a nailed-on electrical box by cutting the nails from inside the box with nippers or large diagonal pliers. Remember to wear appropriate safety gear, such as gloves and eye protection, and always be cautious when working with electrical components.
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Pry the box gently with a flathead screwdriver
Removing an electrical box that has been nailed in can be a challenging task, often requiring a degree of creativity and adaptability. One popular approach is to use a flathead screwdriver to gently pry the box away from the stud it is attached to. This method can be effective, but it requires careful execution to avoid causing damage to the surrounding area.
When using a flathead screwdriver to remove a nailed-on electrical box, it is essential to work slowly and gently. Insert the screwdriver between the box and the stud, and gently apply leverage to create a small gap. It may be necessary to wiggle the screwdriver back and forth to find the best leverage point and gradually increase the space between the box and the stud. This process should be performed with caution, as aggressive prying can result in damage to the wall or the electrical box itself.
Before attempting to pry, it is advisable to assess the situation and plan your approach. In some cases, it may be possible to access the nails holding the box in place. If so, you can try using nippers or large diagonal pliers to grip the nail and pry it out by applying pressure toward the stud while holding the nail firmly. This technique can be useful if the nails are accessible and can reduce the risk of damaging the surrounding area.
Additionally, it is worth noting that the electrical box may need to be pushed back slightly into the wall while prying. This is because if the box is flush against the Sheetrock or plaster, it may be more challenging to create the necessary leverage to pry it away from the stud. By gently pushing the box back, you can create some space to work with and improve the chances of success.
In conclusion, while prying a nailed-on electrical box with a flathead screwdriver can be a viable method, it requires careful execution and a thoughtful approach. Taking the time to understand the specific situation and adapting your technique accordingly will increase the likelihood of successfully removing the box without causing unnecessary damage. Combining prying with other techniques, such as cutting nails or accessing them directly, can also improve the overall effectiveness of the removal process.
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Drill out the rivets and remove the backing plate
Drilling out the rivets is the most common and versatile method of rivet removal. It is ideal for most situations, especially when dealing with blind rivets or when you don't have access to specialised tools. Drilling also minimises damage and provides control, making it the best option when working with delicate materials.
To begin the process of removing the backing plate by drilling out the rivets, you will first need to select the appropriate drill bit. Choose a bit that is slightly smaller than the rivet. If the rivet is very small, you may need to use a pin, centre or prick punch to create a divot or small dent in the head of the rivet, which will allow the drill bit to grip onto it. If you are using a punch, be careful not to miss and strike your hand with the hammer.
Once you have created a divot, attach a drill bit that fits neatly into it. Ensure that the bit is long enough to penetrate all the way through the rivet. Tighten the chuck so that the bit is secure and won't come loose during the drilling process. You may also want to lubricate the drill bit to prevent overheating or damage.
Now you are ready to start drilling. Place the drill bit into the divot and apply firm and steady pressure as you bore through the rivet. Drill through the rivet until you have pushed it all the way through. Collect all rivet fragments to prevent potential damage or injury.
If you are unable to drill through the rivet, you can try an alternative method. Use a hammer and chisel to break off the head of the rivet, or grind off the head using an appropriate tool. After removing the head, you can then bore through the rivet.
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Use an oscillating tool with a sharp, high-quality blade
Using an oscillating tool with a sharp, high-quality blade is an effective way to remove a nailed-on electrical box. This method is preferred by some over a sawzall or hacksaw, as the oscillating tool provides more precision and control.
When using an oscillating tool, you only need a small amount of space to work with, and there is less risk of the tool shaking loose or catching on something and becoming difficult to control. This makes it ideal for tight spaces, such as under a sink, where a reciprocating saw would not fit. Additionally, the side-to-side movement of the oscillating tool, which can reach 20,000 oscillations per minute, allows for fast and efficient cutting.
To use the oscillating tool for removing a nailed-on electrical box, start by gently prying the box away from the stud with a large flathead screwdriver. This will create some space to work with. Then, angle the oscillating tool towards the nail and start at a slow speed until a groove is cut. Gradually increase the speed and continue cutting until you are about three-quarters of the way through the nail. Finally, use pliers to break off the remaining portion of the nail.
When selecting a blade for your oscillating tool, consider the material you are cutting and the scale of the job. Carbide blades, such as those made by Bosch, are a popular choice for cutting nails, as they are durable and effective even on larger projects. For smaller jobs, a carbide blade will typically suffice, while a diamond blade is better for larger projects as it lasts longer. It is important to note that heat dulls blades, so be sure to swing the blade back and forth occasionally to clean out dust. Additionally, always wear appropriate safety gear and ensure that your hair and clothing are clear of the blade to prevent accidents.
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Frequently asked questions
Removing an electrical box without causing damage can be tricky. If you are set on replacing the box, you could try drilling out the rivets and removing the backing plate. If you are not planning to replace the box, you can cut the nails with a reciprocating saw and it will fall out.
You can use a sawzall, an oscillating tool, or a screwdriver to gently pry the box away from the stud.
Before prying the box away, score around the old box to ensure it isn't touching the plaster or sheetrock, reducing the chance of it cracking.











































