
Removing nailed-in electrical boxes can be a challenging task, often requiring creativity and precision. The process may vary depending on the type of box and its installation. In most cases, the goal is to avoid causing damage to the surrounding area, such as drywall or plaster. Some common approaches include using a reciprocating saw or a hacksaw to cut through the nails holding the box in place. Others suggest prying the box gently with a flathead screwdriver or using side cutters to gain leverage. In some instances, it may be necessary to access the attic or ceiling to reach the nails or brackets securing the box. Drilling out rivets and removing the backing plate is another possible method, although it may not be suitable for reusing the box.
| Characteristics | Values |
|---|---|
| Tools | Reciprocating saw, flathead screwdriver, nippers, diagonal pliers, sawzall, oscillating tool, oscillating saw, hacksaw, drill, multi-tool |
| Techniques | Cutting nails, prying, scoring, drilling out rivets |
| Challenges | Destroying walls, accessing nails, matching blades to tools |
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What You'll Learn
- Use a reciprocating saw with a metal blade to cut the nails
- Cut the nails with an oscillating tool and a sharp blade
- Pry the box away from the stud with a flathead screwdriver
- Drill out the rivets and remove the backing plate
- Use a saw to cut a piece out of the wall, then change the box and replace the piece

Use a reciprocating saw with a metal blade to cut the nails
Using a reciprocating saw with a metal blade is an effective way to cut through nails holding an electrical box in place. This type of saw is handheld and is typically used for demolition and remodelling projects. It can cut through various materials, including wood, metal, PVC, and nails.
To use a reciprocating saw with a metal blade, start by putting on appropriate safety gear, such as gloves and eye protection. Before beginning the task, disconnect the power source by unplugging the saw or removing its battery pack to prevent accidental injuries.
Next, select a reciprocating saw with a metal-cutting blade, which can be purchased from a hardware store. Metal-cutting blades are specifically designed for cutting through solid metal pieces and pipes. Once you have the right equipment, examine the electrical box to locate the nails that need to be cut.
When you are ready to start cutting, firmly grip the saw with both hands, placing your dominant hand on the handle with the trigger. Keep your finger off the trigger until you are in position to make the cut. Once you are in position, pull the trigger, and tilt the saw so that the blade enters the nail at a 30- to 45-degree angle. Continue tilting the saw until it is perpendicular to the nail, and apply pressure until the blade has completely cut through to the other side.
If the nails are inside the box, you may need to use nippers or large diagonal pliers to pry them out by applying pressure towards the stud while holding the nail. After cutting through the nails, the electrical box should be released and can be carefully removed. Finally, remember to unplug the saw or remove the battery pack to prevent accidental activation.
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Cut the nails with an oscillating tool and a sharp blade
If you are removing nailed-in electrical boxes, you can cut the nails with an oscillating tool and a sharp blade. This method is preferred by some over using a sawzall or reciprocating saw, as it is cleaner and easier.
To cut nails with an oscillating tool, you will need a sharp, high-quality blade. Carbide blades are a good choice, as they are long-lasting and durable, although they can be more expensive. Bosch carbide blades, in particular, are recommended by electricians. You can also purchase carbide blades from EZARC and DeWalt. If you are cutting through nail-embedded wood, you will need a blade with titanium-coated teeth and bi-metal construction, such as the TiN STORM multi-tool blade. For a cheaper option, you can use bi-metal blades designed for an old hacksaw, but made to fit your oscillating saw.
When using an oscillating tool, you will need to slide the blade side to side as you cut to prevent the blade from heating up and to spread the cutting action across multiple teeth. This will also help clear chips and dust, making the tool cut faster.
If the nails are inside the box, you can use nippers or large diagonal pliers to pry the nails out by putting pressure towards the stud while holding the nail with the tool.
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Pry the box away from the stud with a flathead screwdriver
Removing an electrical box that has been nailed in can be a tricky task, but with the right tools and techniques, it can be done efficiently. One effective method is to use a flathead screwdriver to pry the box away from the stud it is attached to. Here is a step-by-step guide to help you through the process:
First, ensure you have the necessary safety gear, such as protective eyewear and gloves, to prevent any injuries from debris or sharp edges. Then, locate the electrical box and identify the type of nails or fasteners used to secure it to the stud. This will help determine the best approach for removal.
Next, take a large flathead screwdriver and gently insert it between the electrical box and the stud. Gently pry the box away from the stud by leveraging the screwdriver. It is important to be careful and apply gradual force to avoid damaging the surrounding area or injuring yourself.
If the box is firmly attached and difficult to pry loose, you may need to apply more force. Make sure the far end of the box is pushed in slightly to gain better leverage. You can also try using a longer screwdriver or a pry bar for more leverage. Continue prying gently but firmly until you feel the box start to loosen from the stud.
Once the box is partially pried away from the stud, you can adjust your grip or reposition the screwdriver for better leverage. Keep prying gradually, and you may hear the nails creaking or popping as they start to give way. Take caution not to slip with the screwdriver and accidentally damage the surrounding wall or any wiring.
Finally, with persistent and careful prying, the nails should eventually snap or the box will come loose. Be prepared to catch the box as it becomes free to avoid any impact damage or injury. Now you can proceed with disposing of the old box and installing a new one if needed. Remember to handle any wiring safely and ensure the power is turned off before starting this project.
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Drill out the rivets and remove the backing plate
Drilling out the rivets and removing the backing plate is a crucial step in replacing a nailed-in electrical box. Here is a detailed guide to help you through the process:
Prepare the Necessary Tools and Safety Gear:
Before you begin, ensure you have the right tools and safety equipment. You will need a drill, drill bits that match the size and material of the rivets, safety glasses, cutting fluid or lubricant, and a punch (a pin, centre, or prick punch). Having a hammer and a flathead screwdriver handy is also recommended.
Loosen the Rivets:
Start by putting on your safety glasses to protect your eyes from sparks and metal fragments during drilling. Select a drill bit that fits neatly into the divot on the rivet's head. If there is no divot, use the punch and a hammer to create a small dent in the centre of the rivet. This provides a grip for the drill bit. The drill bit should be the same size as the rivet or slightly smaller to ensure a snug fit. Tighten the chuck to secure the drill bit in place.
Drill Out the Rivets:
Apply cutting fluid or lubricant to the end of the drill bit to reduce friction and heat during drilling. Place the drill bit against the divot and apply pressure while maintaining a low but steady speed. Continue drilling with firm pressure until the rivet is completely removed from the surface. Remember to be cautious and avoid applying too much force to prevent slipping or damaging the surrounding area.
Remove the Backing Plate:
Once all the rivets have been drilled out, you can remove the backing plate and any remaining parts of the receptacle. Use a reciprocating saw, multitool, or a flathead screwdriver to cut or pry away any remaining nails or tabs holding the electrical box in place. Work slowly and carefully to avoid causing unnecessary damage to the surrounding area.
Final Steps:
After successfully removing the electrical box, you can patch over the hole and install a new box if needed. Ensure that any new box you install meets the required code and is suitable for its intended purpose, such as supporting a ceiling fan or light fixture.
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Use a saw to cut a piece out of the wall, then change the box and replace the piece
If you're looking to remove a nailed-in electrical box, one way to do it is by cutting a piece out of the wall, changing the box, and then replacing the cut-out piece. Here's a step-by-step guide on how to do it:
First, use a saw to cut a piece out of the wall around the electrical box. Make sure to use the appropriate safety gear, including eye protection and gloves, when operating power tools. Cut a piece that is slightly larger than the electrical box itself, being careful not to damage any wiring or internal structures. You can use a reciprocating saw or a sawzall with a fine-tooth metal blade for this step. Cut towards the middle to avoid damaging the surrounding structures.
Once the piece is cut out, gently pry the electrical box away from the wall using a large flathead screwdriver. Be careful not to damage the surrounding wall or any wiring. If the nails are inside the box, use nippers or large diagonal pliers to pry them out by putting pressure towards the stud while holding the nail.
After removing the old electrical box, install the new box in its place, ensuring it is securely attached and any wiring is safely connected. Finally, take the piece you cut out earlier and use it to patch the hole in the wall. You may need to make some adjustments to the piece to ensure a snug fit. Secure the patch with tape and paint it to match the surrounding wall, if necessary.
This method allows you to replace the nailed-in electrical box while minimizing damage to the surrounding wall. It is important to work carefully and take your time, especially when dealing with wiring and structural components. Additionally, ensure that you have the necessary skills and tools before attempting any electrical work.
Some people also recommend using an oscillating tool with a sharp, high-quality blade for this task, as it provides more precision and control. However, a sawzall or reciprocating saw can also get the job done effectively. Remember to take the appropriate safety precautions and follow local building and electrical codes when performing this type of work.
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Frequently asked questions
Removing an electrical box without damaging the wall can be tricky. If the box is nailed to the side of a stud, you can use a saw to cut the nails. First, use a screwdriver to gently pry the box away from the stud. Then, use a reciprocating saw or an oscillating multi-tool with a metal blade to cut through the nails. If the box is plastic, you may need to loosen things up with a flat bar first.
You can use a reciprocating saw, also known as a Sawzall, with a fine-tooth metal blade to cut through the nails. An oscillating tool with a sharp, high-quality blade is another good option as the blade doesn't need to go past the nail.
If the electrical box is nailed to a ceiling joist or a rail between joists, you may need to access the area above, such as the attic, to remove it. Drilling out the rivets and removing the backing plate can also work, but this may prevent you from reusing the box as it may no longer meet the code.











































