15 Best 3 Gang Electrical Box Extender for 2024

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If you're searching for the finest 3 gang electrical box extenders, look no further! We have curated a comprehensive list of the 15 best options available for 2023. Whether you're a professional electrician or a DIY enthusiast, these extenders will provide you with the perfect solution to expand your electrical box capacity. From durability to compatibility and ease of installation, these extenders excel in every aspect, ensuring you a reliable and efficient electrical system. Join us as we explore the top contenders in the market and help you make an informed decision on the best 3 gang electrical box extenders for 2023.

Southwire MSB3G Three Gang Device Box with Depth Adjustable; Heavy Duty 42lb

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Overall Score: 8.5/10

The Southwire MSB3G Three Gang Device Box is a heavy-duty solution for mounting switches and outlets. With a weight of 42 lb, it offers stability and rigidity. It can be mounted to wood or metal studs and features extra thick PVC wall material for added durability. The box is UL listed, ensuring safety and compliance. The Southwire MSB3G is a versatile and reliable choice for remodels and installations.

The Southwire MSB3G Three Gang Device Box is a reliable choice for both remodels and new installations. Its heavy-duty construction ensures stability and durability, while the ability to mount to wood or metal studs adds versatility. The extra thick PVC wall material further enhances its rigidity. Although it may not be suitable for use with plaster walls, it excels on drywall and offers a secure installation. With a score of 8.5 out of 10, this product is highly recommended for anyone in need of a robust and dependable device box for their electrical needs.

iMBAPrice BE1-2 Power Outlet Box Extender – White, 2-Pack

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Overall Score: 9/10

The iMBAPrice BE1-2 (1-Gang) Electrical Power Outlet Box Extender is a must-have for anyone needing to extend their electrical boxes up to 1-1/2 inches. It automatically levels and supports outlets, switches, GFCIs, and other standard devices, making it incredibly versatile. Made from flame retardant plastic, it ensures safer installations and even has a two-hour fire rating. The extender is compliant with 2008 NEC Article 314.2 and comes with a manufacturer limited lifetime warranty. With a customer rating of 4.5/5 and glowing reviews, this product is highly recommended.

The iMBAPrice BE1-2 Electrical Power Outlet Box Extender is a game-changer for anyone dealing with electrical boxes that are set too deep in the wall. It solves the problem of installing newer, more modern wall plates and provides a secure and stable solution. The product’s flame retardant material and compliance with safety standards ensure safer installations. While it may not be UL or ETL listed, it receives excellent reviews and a high customer rating. The extenders are easy to install and come with a manufacturer limited lifetime warranty, offering peace of mind. Overall, this product is highly recommended for those in need of extending electrical boxes with confidence.

ARLINGTON INDUSTRIES Single-Gang Box Extender, Heavy-Duty Plastic

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Overall Score: 8.3/10

The ARLINGTON INDUSTRIES BE1 621614 Single-Gang Box Extender is a heavy-duty plastic extender designed to provide extra space for electrical boxes. It is ideal for situations where the existing electrical box is too shallow to accommodate the wiring connections. With this box extender, you can easily extend the depth of the electrical box, ensuring a secure and flush installation. It is made of durable plastic material and features a strong rim around the outer edge for added stability. The extender is easy to install and compatible with standard single-gang electrical boxes. It comes in a white color and has dimensions of 3.90Lx2.10Wx2.00H.

The ARLINGTON INDUSTRIES BE1 621614 Single-Gang Box Extender is a reliable and convenient solution for extending the depth of electrical boxes. Its heavy-duty plastic construction ensures durability, while the easy installation makes it suitable for various projects. The extender is compatible with standard single-gang electrical boxes and provides the extra space needed for proper wiring connections. However, it is important to note that the product does not include extra long screws for mounting switches or outlets. Overall, the ARLINGTON INDUSTRIES BE1 621614 Single-Gang Box Extender is a valuable tool that ensures a secure and flush installation of electrical boxes.

iMBAPrice BE2-2 Electrical Power Outlet Box Extender

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Overall Score: 8/10

The iMBAPrice BE2-2 (2-Gang) Electrical Power Outlet Box Extender is a must-have for contractors looking to comply with NEC Article 314 20. It is designed to work with all standard devices, including switches and GFCIs. This extender is compatible with both handy boxes and 4-inch square electrical boxes with plaster rings. Made from 105 degree C continuous use 94VO rated flame retardant plastic, it ensures safer installations with its two-hour fire rating. The extender conveniently levels and supports the wiring device where the box is set back from the wall surface, and it can adjust up to a 1-1/2 inch box extension. With a compact and durable design, this extender is a reliable solution for electrical installations.

The iMBAPrice BE2-2 Electrical Power Outlet Box Extender is a reliable and affordable solution for contractors and DIYers alike. It ensures compliance with regulations, provides a safe and durable installation, and effectively levels and supports wiring devices. While the packaging and quantity accuracy may need improvement, these extenders are easy to install and offer a practical solution for recessed outlets. With a solid rating of 4.4 out of 5, this product has received positive feedback from customers. Overall, if you are looking for an efficient way to extend electrical boxes, the iMBAPrice BE2-2 is worth considering.

Electrical Outlet Spacers Extender Kit

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Overall Score: 9/10

The Hotop 64 Pieces Electrical Outlet Spacers Electrical Outlet Box Extender Kit is the perfect solution for fixing wonky or sunken outlets. The kit includes 16 switch extenders and 48 extra-long screws, allowing you to easily repair outlets that aren't installed correctly. The fluorescent green outlet tools are made of rubber material and can be cut to any length, providing a non-conductive solution for bringing the socket flush with the wall. With easy installation and applicability on various surfaces such as granite, wood, marble, tile, and drywall, this kit is a time and energy-saving option for securing loose or misaligned outlets. Overall, it's a must-have for any DIYer or homeowner looking to improve the aesthetics and functionality of their electrical outlets.

The Hotop Electrical Outlet Spacers Extender Kit is a fantastic product for anyone looking to fix sunken or misaligned outlets. The kit provides all the necessary components for a simple and quick installation. The fluorescent green rubber outlet tools are easy to cut to the desired length and the extra-long screws ensure a secure fit. Whether you’re installing a tile backsplash or working on a remodeling project, these spacers will come in handy. While they could be sturdier, they still get the job done effectively. Overall, it’s a must-have kit for any homeowner or DIYer, providing a convenient solution for improving the functionality and appearance of electrical outlets.

iMBAPrice BE3-1 Electrical Power Outlet Box Extender

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Overall Score: 9/10

The iMBAPrice BE3-1 (3-Gang) Electrical Power Outlet Box Extender is a white box extender for electrical devices. It allows you to quickly and easily correct setbacks and insulate devices. This extender eliminates the need to align device screws with extender holes and adjusts up to a 1-1/2" box extension for a flush mount and neat finish. The continuous, smooth, non-metallic side walls enclose devices completely, creating an insulating barrier between the device and the metal box. It comes with 6 flat head Phillips machine screws for installation. The iMBAPrice BE3-1 is a great solution for extending electrical boxes and ensuring a professional installation.

The iMBAPrice BE3-1 (3-Gang) Electrical Power Outlet Box Extender is a reliable and convenient solution for extending electrical boxes. With its easy installation design and adjustable box extension, it allows for a professional and flush mount finish. The non-metallic side walls provide insulation and create an insulating barrier between the device and the metal box. While the included screws may be too short for some installations, this can be easily resolved by using longer screws. Overall, the iMBAPrice BE3-1 is highly recommended for anyone looking to extend their electrical boxes and ensure a neat and professional installation.

iMBAPrice BE3-2 Electrical Power Outlet Box Extender – White, 2-Pack

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Overall Score: 8/10

The iMBAPrice BE3-2 Electrical Power Outlet Box Extender is a convenient solution to correct setbacks and insulate devices. With an easy install design, it eliminates the need to align device screws with extender holes, making it hassle-free. The extender adjusts up to a 1-1/2" box extension, ensuring a flush mount and neat finish. Its continuous, smooth, non-metallic side walls create an insulating barrier between the device and the metal box, improving safety. The package includes 6X Flat Head Phillips Machine Screws for easy installation. Customers have praised its performance and affordability, making it a reliable choice for electrical work. With a customer rating of 4.3/5, the iMBAPrice BE3-2 Electrical Power Outlet Box Extender is a highly recommended product.

Overall, the iMBAPrice BE3-2 Electrical Power Outlet Box Extender is a highly functional and cost-effective product. It provides an easy solution for correcting setbacks in electrical work and insulating devices. The adjustable design and included screws make installation a breeze. While some customers have noted the need for an additional spacer in certain situations, the extender performs well and meets expectations. It is highly recommended for anyone in need of a reliable outlet box extender. With a solid customer rating of 4.3/5, it proves its worth and delivers on its promises.

Electrical Box Extender 3 Gang Extension Ring Plastic Up to 1 1/2" Flush Extension (1 Pack)

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Overall Score: 8/10

The Electrical Box Extender 3 Gang Extension Ring is a versatile and reliable solution for extending the capacity of your electrical boxes. With its ETL listing, it ensures safety and quality. This extension ring is designed to be used with both plastic and metal electrical boxes, offering flexibility for various applications. It provides up to 1 1/2" of flush extension, allowing you to create additional space as needed. Made with heavy-duty white plastic, it is durable and built to last. If you need to extend your electrical boxes, this product is an excellent choice.

The Electrical Box Extender 3 Gang Extension Ring is a reliable and versatile product that easily extends the capacity of your electrical boxes. It is made with durable heavy-duty white plastic and is compatible with both plastic and metal electrical boxes. The ETL listing ensures safety and quality, giving you peace of mind. With its ability to provide up to 1 1/2″ flush extension, this extension ring offers the flexibility to meet your specific needs. Whether you’re a professional electrician or a DIY enthusiast, this product is a great addition to your toolkit. Enhance the functionality of your electrical boxes with this high-quality extension ring.

Single Gang Receptacle Outlet Box Extender

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Overall Score: 7/10

The 3/8" ReceptXtenders by WGDepot are a convenient solution for extending electrical outlet boxes without having to change the box or remove the device. With this product, you can easily extend the box flush with new wall coverings, saving time and money. It fits all types of electric outlet boxes and is UL Listed for safety. The green color adds a touch of style to your electrical installations. These extenders are a reliable and cost-effective option for any electrical project.

The 3/8″ ReceptXtenders by WGDepot offer a practical and efficient solution for extending electrical outlet boxes. With its versatile design, it can fit all types of electric outlet boxes without the need for device removal. This saves both time and money during electrical projects. The green color adds a touch of style to your installations. However, installation can be a bit tricky without longer screws. Overall, this product is a reliable and cost-effective option for anyone in need of extending their outlet boxes.

iMBAPrice BE2-1 Electrical Power Outlet Box Extender

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Overall Score: 8.5/10

The iMBAPrice BE2-1 Electrical Power Outlet Box Extender is a versatile solution that allows contractors to comply with the 2005 NEC Article 314 20. It works with all standard devices like switches and GFCIs. Made from flame retardant plastic, this extender ensures safer installations. It is designed to work in handy boxes and 4 Inch square electrical boxes with plaster rings, providing a 1-1/2 Inch box extension. With a sleek design and included screws, it levels and supports the wiring device where the box is set back from the wall surface. Get this white extender, and say goodbye to electrical box depth issues.

The iMBAPrice BE2-1 Electrical Power Outlet Box Extender is a reliable and innovative solution for electrical box depth issues. It offers easy installation and compatibility with various devices. The flame retardant plastic construction ensures safety during installation, and the adjustable design accommodates different depths. While some users found it slightly flimsy and expensive, it has received overwhelmingly positive reviews for its usefulness in various situations. Overall, this extender is highly recommended for both professionals and homeowners looking to address electrical box depth challenges.

Electrical Power Outlet Box Extender Kit

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Overall Score: 8/10

The BestMounts Electrical Power Outlet Box Extender Kit is a high-quality solution for extending electrical boxes. It is compliant with safety standards and fits easily in single, dual, and triple gang electrical boxes. Built with durable construction, this box extender ensures long-lasting performance. It adheres to industry standards for safety markings and certifications, ensuring your electrical system is up to code. With a sleek white color and compact size, it is suitable for commercial, industrial, and residential settings. Perfect for extending electrical boxes up to 1-1/2 inches, this extender is a reliable and secure solution. Available in a 2-pack, this kit is a must-have for any electrical installation.

The BestMounts Electrical Power Outlet Box Extender Kit is a reliable solution for extending electrical boxes. With a design that is compliant with safety standards and certifications, it ensures a safe and secure installation. The durable construction and adherence to industry standards make it a long-lasting and dependable choice. It is easy to install and suitable for a variety of applications in commercial, industrial, and residential settings. While the screws may not be the best quality and it may not align perfectly with larger boxes, overall, this box extender offers convenience and reliability. Enhance your electrical system with the BestMounts Electrical Power Outlet Box Extender Kit.

iMBAPrice BE4-1 Electrical Power Outlet Box Extender, White

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Overall Score: 7.5/10

The iMBAPrice BE4-1 (4-Gang) Electrical Power Outlet Box Extender allows contractors to comply with NEC article 314.2. It is suitable for handy boxes and 4-inch square electrical boxes with plaster rings for single switches or receptacles. This power outlet box extender levels and supports wiring devices where the box is set back from the wall surface and adjusts up to 1-1/2 inches box extension. It works with all standard devices, switches, and GFCIs, and is manufactured from 105°C continuous use 94V0 rated flame retardant plastic. The package includes 8 Pcs Flat Head Phillips Machine Screws measuring 6-32 x 1-1/2 inches. The iMBAPrice BE4-1 (4-Gang) Electrical Power Outlet Box Extender comes in white color and has dimensions of 1.80Lx7.70Wx4.20H.

The iMBAPrice BE4-1 (4-Gang) Electrical Power Outlet Box Extender in white color is a reliable and convenient solution for complying with NEC article 314.2. It is compatible with handy boxes and 4-inch square electrical boxes with plaster rings, allowing for easy installation and adjustment. The extender works with all standard devices, switches, and GFCIs, providing a secure and level wiring device setup. With its high-quality flame retardant plastic construction, it ensures safety and durability. While some customers have experienced issues with broken or low-quality products, overall, the iMBAPrice BE4-1 (4-Gang) Electrical Power Outlet Box Extender is a recommended option for extending electrical boxes and maintaining code compliance.

Electrical Box Spacers

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Overall Score: 8/10

The Electrical Box Spacers Single Gang 3/8 inch 5 pack is a simple solution for making remodeling easy. It allows you to easily build out electrical boxes that are set too far into the wall, ensuring that receptacles or switches sit tightly against it. These spacers come in a range of depths and are available in a gray color. They are designed to be placed between the in-wall electrical box and the switch/outlet mounted inside, ensuring a flush mount with the drywall. The box spacers are made of soft material, which makes them easy to cut if needed. However, some customers have found the material to be too soft and the price to be high considering the issues they encountered.

The Electrical Box Spacers Single Gang 3/8 inch 5 pack is a handy solution for anyone looking to remodel their electrical boxes. It provides an easy way to ensure that switches and outlets are properly aligned with the drywall. With its range of depths, it can accommodate various installation requirements. The gray color blends well with most interiors, and the soft material allows for easy cutting if necessary. While some customers have identified issues with the screw holes and interior size, overall, this product is highly recommended for its effectiveness in resolving spacing issues. Just keep in mind the potential challenges and consider the price point when making your purchase.

Outlet Extender Buddy – Electrical Box Extender Kit

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Overall Score: 8.5/10

Looking for a solution to fix recessed electrical outlets? The Outlet Extender Buddy is here to help! It's a versatile electrical box extender kit that is perfect for loose outlets or recessed electrical outlet boxes. With this handy tool, you can easily finish off your tile backsplash project or fix multiple outlets and switches without the need for an electrician. The Outlet Extender Buddy is a universal fit, functioning as both a single gang box extender and a 2 gang outlet extender. It's simple to install and comes with everything you need, including extended screws for even the thickest tile. Say goodbye to loose wall plates and misaligned outlets with Outlet Extender Buddy!

The Outlet Extender Buddy is a fantastic solution for fixing recessed electrical outlets. It offers an easy and cost-effective way to ensure your outlets are secure and aligned. With its universal fit and durable construction, it’s a versatile tool that can be used for various projects. While it may not be suitable for every application, it has received overwhelmingly positive reviews from customers who have successfully used it to solve their outlet problems. Whether you’re a DIY enthusiast or a professional contractor, the Outlet Extender Buddy is definitely worth considering for your electrical needs.

Double Gang Electrical Box Spacer – 5 Pack

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Overall Score: 8.2/10

The Electrical Box Spacer Double Gang 3/8 inch 5 pack is a simple solution for making remodeling easy. It provides the necessary depth for brick or tile installations while ensuring a snug fit for outlets and light switches. The spacers are designed to align perfectly with existing electrical boxes and are available in varying sizes. They can be easily installed and come in a pack of five. The color of the spacer is grey, making it blend seamlessly with most electrical box setups. With these spacers, you can conveniently modify your electrical outlets and switches to accommodate your remodeling needs.

Overall, the Electrical Box Spacer Double Gang 3/8 inch 5 pack is a reliable solution for adjusting electrical outlets and switches during remodeling projects. It offers an easy installation process and ensures a snug fit for a variety of applications. While it may require some adjustments for specific outlets and switches, it provides the necessary depth for brick or tile installations. The pack of five spacers gives you the flexibility to modify multiple electrical boxes. With its grey color, the spacers seamlessly blend with existing setups. Whether you’re installing a kitchen backsplash or working on a room renovation, these spacers are a handy tool to have.

Buyer's Guide: 3 Gang Electrical Box Extender

Are you on the hunt for a 3 gang electrical box extender but feeling a bit overwhelmed with the options available? Don't worry, we've got you covered! In this comprehensive buyer's guide, we will provide you with all the essential information you need to know before making your purchase. So grab a cup of coffee, sit back, and let's dive into the world of 3 gang electrical box extenders!

Why do you need a 3 gang electrical box extender?

Before we begin exploring the various aspects of 3 gang electrical box extenders, it's crucial to understand why you might need one in the first place. Here are a few common reasons:

• Additional space: If you find your electrical box cramped with wires and devices, a 3 gang extender can provide the much-needed extra space to accommodate more switches, outlets, or other electrical components.
• Remodeling or retrofitting: Whether you're renovating your home or retrofitting an existing electrical system, a 3 gang extender can help you adapt to new electrical requirements without the hassle of replacing the entire box.
• Improved organization: By separating your electrical devices into separate gangs, it becomes easier to organize and identify specific circuits, enhancing overall functionality and troubleshooting.

Now that we've established the importance of a 3 gang electrical box extender, let's explore some key factors to consider while making your purchase:

Factors to Consider

1. Compatibility: Ensure that the extender you choose is compatible with the existing electrical box and the devices you plan to fit into it. Check for compatibility with gang box size, mounting options, and device compatibility (switches, outlets, etc.).
2. Material and Durability: Look for extenders made from high-quality, durable materials such as metal or non-conductive thermoplastic. It should be able to withstand the rigors of regular use and protect your electrical connections effectively.
3. Size and Depth: Measure the available space in the electrical box and verify that the extender is suitable for your specific requirements. Consider the depth of the extender to ensure it allows enough room for wire connections and devices without overcrowding.
4. Ease of Installation: Opt for an extender that offers simple and hassle-free installation. Consider features like adjustable tabs or adjustable screw slots, which can make the installation process smoother.
5. Building Codes and Safety Certifications: It's vital to adhere to local building codes and safety regulations. Ensure that the extender you choose meets industry standards and carries safety certifications ensuring its safe usage.
6. Aesthetic and Finish: If aesthetics matter to you, look for an extender that matches the décor and finish of your existing electrical devices. Consider options like color, texture, and decorative accents that blend seamlessly with your surroundings.
7. Versatility and Expandability: Consider whether the extender allows for future expansion if your electrical needs change. Look for features like modular designs or the ability to add additional gang units if necessary.

Now that you have a better understanding of what to look for in a 3 gang electrical box extender, let's answer some frequently asked questions to clear any lingering doubts.