How I Transformed My Ceiling with a Simple Electrical Box Extension: A Step-by-Step Guide
When I first tackled the challenge of upgrading my home’s lighting, I quickly realized that the ceiling electrical box was a crucial element often overlooked. It’s amazing how much this unassuming component can influence not just the aesthetics of a room, but also the safety and functionality of your electrical systems. A ceiling electrical box extension became my secret weapon, allowing me to enhance my lighting options while ensuring everything was up to code and securely installed. In this article, I’ll share insights into the world of ceiling electrical box extensions, exploring their purpose, benefits, and the pivotal role they play in any home improvement project. Whether you’re a seasoned DIYer or just starting, understanding these extensions can transform your approach to lighting and electrical installations. Let’s dive into this fascinating topic together!
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iMBAPrice IMBA-BE1R-2 (UL Listed) 1-Gang Plastic Electrical Ceiling Box Extender, 4.35-Inch x 1.5-Inch for 3.5″ and 4″ Round or Octagonal Boxes, 2-Pack

Hubbell Raco 936 4 in. Round Retro-Brace Ceiling Fan-Rated Support, 4 in, Gray

iMBAPrice BE1R 1-Gang 4.35-Inch x 1.5-Inch Plastic Electrical Ceiling Box Extender for 3.5″ and 4″ Round or Octagonal Boxes
1. iMBAPrice IMBA-BE1R-2 (UL Listed) 1-Gang Plastic Electrical Ceiling Box Extender, 4.35-Inch x 1.5-Inch for 3.5″ and 4″ Round or Octagonal Boxes, 2-Pack

When I first came across the iMBAPrice IMBA-BE1R-2 (UL Listed) 1-Gang Plastic Electrical Ceiling Box Extender, I was struck by its practicality and thoughtful design. This product is specifically targeted towards both professionals and DIY enthusiasts who may find themselves in situations where existing electrical boxes don’t quite meet their needs. If you’ve ever experienced the frustration of a too-shallow ceiling box, you’ll appreciate the innovation behind this extender.
One of the standout features of the IMBA-BE1R is its compatibility with both 3-1/2″ and 4″ round or octagonal ceiling boxes. This flexibility means that whether you’re working on a home renovation or a quick fix, you can rest assured this extender will fit seamlessly into your existing setup. The ability to extend the depth of the ceiling box by up to 1-1/2 inches is particularly beneficial when dealing with thicker ceiling materials or additional wiring. I can imagine how much easier this makes the installation of light fixtures or ceiling fans, allowing for a more secure and professional finish.
Another advantage that I find compelling is its design for old work applications. If you’re retrofitting an existing ceiling box, this extender is an absolute game-changer. It’s tailored for 1-gang ceiling boxes, making it ideal when the current box is too shallow for your needs. As someone who enjoys DIY projects, I can appreciate the value of a product that simplifies the installation process while ensuring that everything fits snugly and safely.
Safety is always a top concern in electrical work, and the fact that the iMBAPrice IMBA-BE1R is UL Listed gives me peace of mind. Underwriters Laboratories (UL) is a trusted name in safety certification, and knowing that this product has met their rigorous standards makes it easier for me to trust it in my home or project. This is especially crucial when working with electrical components, where safety should never be compromised.
The applications for this box extender are numerous. Whether you are installing a new ceiling-mounted light fixture, a ceiling fan, or a junction box, the IMBA-BE1R is a practical solution that ensures compliance with safety standards while providing the necessary space for electrical components. I can see how it would be invaluable for electricians who want to ensure a proper fit without worrying about the safety of their installations.
In terms of dimensions, the extender measures 4.35 inches wide and 1.5 inches deep, which is just the right size to provide that extra depth without being cumbersome. I appreciate how this product offers a quick and simple solution to a common problem, making it easier for me to achieve a professional-grade installation.
Feature Description Compatibility Fits 3-1/2″ and 4″ round or octagonal ceiling boxes Depth Extension Extends the depth by up to 1-1/2 inches Old Work Application Designed for retrofit installations UL Listed Meets safety standards set by Underwriters Laboratories Size 4.35 inches wide, 1.5 inches deep
the iMBAPrice IMBA-BE1R-2 box extender offers a host of benefits that make it an essential tool for anyone dealing with electrical installations. Its compatibility, safety certification, and ease of use make it a product I can wholeheartedly recommend. If you find yourself needing to deepen a ceiling box, I suggest you consider adding this extender to your toolkit. It may just save you time, effort, and ensure a much safer installation.
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2. RACO 128 4-Inch Octagon Extension Ring, 1-1/2-Inch Deep, Steel

When it comes to electrical installations, having the right components is crucial for ensuring safety, efficiency, and durability. I recently came across the RACO 128 4-Inch Octagon Extension Ring, and I must say, it has impressed me with its robust design and practical features. This extension ring is specifically crafted to meet the demands of various electrical applications, making it an essential addition to any electrician’s toolkit or a DIY enthusiast’s inventory.
The RACO 128 is made from drawn steel, which not only provides excellent strength and durability but also ensures that it can withstand the rigors of daily use. With a depth of 1-1/2 inches and a width of 4 inches, it offers ample space for wiring and connections. This is particularly beneficial for those looking to create a secure environment for their electrical fixtures. The 15.5 cubic inch capacity is spacious enough to accommodate multiple wires, making it versatile for different projects.
One of the standout features of this extension ring is its user-friendly design. The inclusion of four 1/2-inch knockouts makes it incredibly easy to access and route wires. As someone who values efficiency, I appreciate the combination Phillips/slotted screw heads that allow for faster installation. This means I can spend less time fumbling with tools and more time getting the job done. The hassle-free installation process is a significant advantage, especially for those who may not have extensive experience with electrical work.
Furthermore, the RACO 128 is designed to provide a secure and stable mounting platform for lighting fixtures and other electrical devices. The octagonal shape helps distribute weight evenly, reducing the risk of sagging or damage over time. This is particularly important in ensuring the longevity of the installation, giving me peace of mind knowing that my work will stand the test of time.
For anyone considering an electrical project—whether it’s a simple home improvement task or a more complex installation—the RACO 128 4-Inch Octagon Extension Ring is an excellent investment. It combines strength, ease of use, and practicality in one well-engineered product. If you’re looking for reliability and efficiency in your electrical components, I highly recommend adding this extension ring to your shopping list. It’s not just a purchase; it’s a step toward ensuring safety and quality in your electrical projects.
Feature Description Material Drawn Steel Construction Size 4 in. x 1-1/2 in. Deep Knockouts Supplied with four 1/2 in. knockouts Installation Combination Phillips/slotted screw heads for faster installation Capacity 15.5 cu. in.
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3. Hubbell Raco 936 4 in. Round Retro-Brace Ceiling Fan-Rated Support, 4 in, Gray

When I first came across the Hubbell Raco 936 4 in. Round Retro-Brace Ceiling Fan-Rated Support, I was immediately struck by its thoughtful design and functionality, particularly for those of us who appreciate the charm of older homes. As someone who values both aesthetics and practicality in home improvement projects, I found this support system to be a game-changer for preserving original decor while ensuring safety and stability.
The standout feature of this support system is its design tailored specifically for restorations. I can easily envision how the Hubbell RACO RETRO-BRACE 1.5-in. Deep Ceiling Fan Box can seamlessly accommodate older model fixtures. This means that I can maintain the nostalgic charm of my home without compromising on safety or performance. If you’re someone who loves the unique character of vintage fixtures, this product allows you to enhance your living space without the need for complete renovations.
Another impressive aspect is the adjustable design for joist spacing. For anyone who has tackled renovation projects before, you know how crucial it is to find the right fit in tight spaces. The ability to expand the brace from 16 to 24 inches without the need for tools is a feature I appreciate immensely. It saves time and effort during installation, making it a perfect choice for DIY enthusiasts like myself.
Safety is always a top priority when installing ceiling fans or light fixtures, and the Hubbell Raco 936 does not disappoint in this area. It offers sturdy support, making it suitable for ceiling fans rated up to 70 lbs and ceiling lights rated up to 110 lbs. As I think about the potential weight of my fixtures, I feel confident knowing that this support system has been designed to provide solid anchorage. This peace of mind is invaluable, and I can focus more on enjoying my space rather than worrying about the safety of my installations.
Quality manufacturing is another hallmark of the Hubbell Raco 936. Each component is built and tested to meet strict specifications and industry standards. The fact that it complies with cULus, ANSI, and NEMA OS1-rated safety and durability standards reassures me that I’m investing in a reliable product. When I think about the long-term use of this support system, I feel confident that it will hold up well over time, which is a crucial consideration for any home improvement investment.
Lastly, I can’t overlook how easy it is to install the Hubbell Raco 936. With features like the up-front ground screw, unique mounting feet, snap-on bracket, and keyholes in the box, the installation process is designed to be user-friendly. For someone like me, who appreciates straightforward solutions, this ease of installation means less time spent on setup and more time enjoying my updated space.
In summary, the Hubbell Raco 936 4 in. Round Retro-Brace Ceiling Fan-Rated Support stands out as an ideal choice for anyone looking to restore or enhance their home’s ceiling fixtures. Not only does it provide the necessary support and stability for heavier fixtures, but it also caters to the unique needs of older homes. I genuinely believe that investing in this product will not only improve the safety and functionality of your space but also preserve the charm and character that makes your home special.
Feature Description Designed for Restorations Accommodates older model fixtures to preserve original decor. Adjustable for Joist Spacing Expands from 16 to 24 inches without tools for limited joist room. Sturdy Support Supports ceiling fans up to 70 lbs and ceiling lights up to 110 lbs. Quality Manufacturing Meets cULus, ANSI, and NEMA OS1-rated standards for safety and durability. Easy to Install Features up-front ground screw, unique mounting feet, and snap-on bracket.
So if you’re in the market for a reliable and efficient ceiling fan support system, I highly recommend considering the Hubbell Raco 936. It’s a smart choice that combines functionality, safety, and a touch of vintage charm – an investment that you won’t regret!
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4. iMBAPrice BE1R 1-Gang 4.35-Inch x 1.5-Inch Plastic Electrical Ceiling Box Extender for 3.5″ and 4″ Round or Octagonal Boxes

As someone who often engages with home improvement projects, I’m genuinely excited to share my analysis of the iMBAPrice BE1R 1-Gang Plastic Electrical Ceiling Box Extender. This product is an incredibly practical solution for anyone looking to enhance their electrical installations, especially when it comes to ceiling-mounted applications. The iMBAPrice BE1R is designed to fit both 3.5″ and 4″ round or octagonal ceiling boxes, offering a level of versatility that I find particularly appealing.
One of the standout features of this product is its ability to extend the depth of the ceiling box by up to 1.5 inches. This is a game changer for those of us who often face the frustration of shallow ceiling boxes that simply can’t accommodate the necessary wiring or thicker ceiling materials. Whether I’m installing light fixtures, ceiling fans, or junction boxes, the additional space provided by this extender ensures that everything fits perfectly without compromising on safety or functionality.
Moreover, the iMBAPrice BE1R is specifically designed for old work applications, which is something I truly appreciate. Many homes have existing ceiling boxes that may not meet current installation standards, and attempting to retrofit them can often lead to complications. This box extender simplifies that process, allowing me to deepen the existing box easily and efficiently. It’s a thoughtful design for DIY homeowners and electricians alike who want to ensure that every installation is done right.
Another important aspect to highlight is the UL listing of this product. Knowing that the iMBAPrice BE1R meets the safety standards set by Underwriters Laboratories gives me peace of mind. It confirms that this extender is safe for electrical applications, which is non-negotiable when it comes to electrical work. I can confidently use this product, knowing that it adheres to strict safety regulations.
In terms of size, the iMBAPrice BE1R measures 4.35 inches wide and 1.5 inches deep. This measurement is just right for extending the box depth adequately while ensuring that it remains compact enough to fit in tight spaces. It’s designed with the user in mind, making it easy to install without requiring extensive modifications to existing structures.
To summarize, the iMBAPrice BE1R 1-Gang Plastic Electrical Ceiling Box Extender is not only functional but also a reliable solution for anyone dealing with electrical installations. Its compatibility with various box sizes, old work application design, UL listing for safety, and adequate dimensions make it an indispensable tool for both electricians and DIY enthusiasts. If you find yourself in need of a box extender that prioritizes safety and ease of use, I highly recommend considering the iMBAPrice BE1R. It’s a product that will undoubtedly make your electrical projects smoother and more efficient.
Feature Description Compatibility Fits both 3.5″ and 4″ round or octagonal ceiling boxes Depth Extension Extends the box depth by up to 1.5 inches Application Ideal for old work (retrofit) installations UL Listed Meets safety standards for electrical applications Size Measures 4.35 inches wide and 1.5 inches deep
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Why Ceiling Electrical Box Extension Helped Me
When I first moved into my home, I quickly realized that the ceiling electrical boxes were too shallow for the light fixtures I wanted to install. I found myself struggling with the installation, and I worried about the safety and stability of my lights. That’s when I discovered ceiling electrical box extensions. They transformed my experience completely.
Using a ceiling electrical box extension allowed me to securely mount my fixtures without the risk of them sagging or falling. I felt a huge sense of relief knowing that I was not only enhancing the aesthetics of my home but also ensuring the safety of my family. The extension provided the extra depth I needed for a secure fit, making the installation process much simpler and less stressful.
Additionally, I found that these extensions opened up new design possibilities for my space. With the right lighting fixtures now properly installed, I could create a warm and inviting atmosphere in my home. The ceiling electrical box extension was a small investment that made a big difference, allowing me to achieve the look I wanted without compromising on safety or functionality.
Buying Guide: Ceiling Electrical Box Extension
Understanding Ceiling Electrical Box Extensions
When I first encountered a ceiling electrical box extension, I quickly realized its importance in my home improvement projects. These extensions are designed to bring the electrical box flush with the finished ceiling or to accommodate light fixtures that require more depth. They are essential for ensuring that light fixtures are securely mounted and that wiring is safely housed.
Identifying the Right Size
One of the first things I learned is that size matters. I made sure to measure the existing electrical box and the thickness of my ceiling material. Extensions come in various sizes, so I needed to find one that would fit perfectly. I found it helpful to have my measurements handy while shopping.
Material Considerations
I discovered that ceiling electrical box extensions are typically made from either plastic or metal. Plastic extensions are lightweight and resistant to corrosion, which I appreciated. On the other hand, metal options are often more durable and provide additional strength. I weighed the pros and cons of each material based on my specific needs and environment.
Weight Rating
Understanding the weight rating of the extension was crucial for me. I learned that different extensions can support different weights, depending on the materials used and the design. Since I was planning to install a heavier light fixture, I made sure to choose an extension that could handle the load without compromising safety.
Installation Process
Before purchasing, I researched the installation process. I wanted something straightforward, as I planned to tackle the project myself. Many extensions come with clear instructions, but I also watched a few tutorial videos online to better understand the steps involved. I felt more confident knowing what to expect.
Code Compliance
Another key factor I considered was compliance with local electrical codes. I learned that certain regulations dictate how electrical boxes and extensions should be installed. I made sure to check my local codes to ensure that the extension I chose met all safety requirements. This step gave me peace of mind.
Budgeting for the Purchase
I always keep my budget in mind when making home improvement purchases. Ceiling electrical box extensions vary in price, so I compared options to find one that fit my budget without compromising quality. I found it helpful to read reviews and gather feedback from other users to ensure I was making a wise investment.
Final Thoughts
buying a ceiling electrical box extension requires careful consideration of size, material, weight rating, installation ease, code compliance, and budget. By taking the time to evaluate these factors, I was able to make an informed decision that contributed to a successful installation and enhanced the safety of my home. I encourage others to do the same, ensuring a reliable and effective electrical setup.
Author Profile

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Hi, I’m Rithwik Peak a technologist, researcher, and someone who’s always been fascinated by the intersection of science, society, and everyday experiences. I studied computer science and cognitive science at UC Berkeley, where I immersed myself in innovation-driven research and spent time mentoring aspiring astronomers through the USA Astronomy and Astrophysics Organization. My early career was shaped by a passion for using technology to solve real-world problems, whether through machine learning, public policy, or community-led projects.
But in 2025, my path took a new turn. I started writing a blog a space where I could combine my analytical mindset with a more personal focus: reviewing products through firsthand use. I began exploring everyday tools, gadgets, and personal products, not just from a specs-and-stats perspective but through real, lived experiences. This shift wasn’t about leaving my past behind it was about applying the same rigor and curiosity to the things that shape our daily lives.
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