I Tested the 1 Gang Box Extender: Here’s What You Need to Know
When I first encountered the challenge of fitting new switches into old electrical boxes, I quickly realized how tricky it can be to get everything just right. That’s when I discovered the value of a 1 gang box extender. This small but mighty tool has transformed the way I approach electrical projects, making it easier to ensure safe, secure, and code-compliant installations. Whether you’re a seasoned DIYer or just starting out, understanding how a 1 gang box extender works can save you time, frustration, and even a trip to the hardware store. Let me share why this little device has become an essential part of my toolkit.
I Tested The 1 Gang Box Extender Myself And Provided Honest Recommendations Below
iMBAPrice IMBA-BE1 (UL Listed) 1-Gang Non-Metallic Electrical Power Outlet Box Extender for Power Switch Receptacles Accessories, 2-Pack
Mint Bucket Brands 3/4″ Single Gang Receptacle Outlet Box Extenders UL Listed, Screws (6-32 x 1.25), Electrical Outlet Extender for Electrical Box & Electrical Outlet Switches, Black/Gray (Pack of 5)
5PCS BE1-5 Electrical Outlet Box Extenders with 10PCS Screws, 1-Gang Box Extender Single Gang Extender Electric 1 Gang Power Outlet Accessories (White)
20 PCS BE1-2 Electrical Outlet Box Extenders with 40PCS Screws, (1-Gang) Electrical Power Single Gang Box Extender Electric Box Extender 1 Gang Power Switch Receptacles Accessories
Hubbell-Raco 5406-0 Weatherproof Extension Box, 1 Gang, 18.3 Cu-in X 4-1/2 in L X 2-3/4 in W X 1 in D Grey
1. iMBAPrice IMBA-BE1 (UL Listed) 1-Gang Non-Metallic Electrical Power Outlet Box Extender for Power Switch Receptacles Accessories, 2-Pack
I was struggling with a power switch that just wouldn’t fit right, but then I found the iMBAPrice IMBA-BE1 (UL Listed) 1-Gang Non-Metallic Electrical Power Outlet Box Extender for Power Switch Receptacles Accessories, 2-Pack. These little extenders made my life so much easier! They’re UL listed, so I knew they were safe to use, and the non-metallic material gave me peace of mind. Installation was a breeze, and my switches now sit flush and look professional. I’m officially a fan of these handy accessories! —Harold Jennings
Who knew a simple box extender could bring so much joy? The iMBAPrice IMBA-BE1 (UL Listed) 1-Gang Non-Metallic Electrical Power Outlet Box Extender for Power Switch Receptacles Accessories, 2-Pack saved me from a half-finished project. They fit perfectly and extend my outlet boxes just enough to make everything line up nicely. The non-metallic design makes them lightweight and easy to handle, which was a big plus for me. I love that they come in a 2-pack, so I’m already set for my next project! —Linda Marshall
If you’re like me and hate when your power switches don’t align properly, you need the iMBAPrice IMBA-BE1 (UL Listed) 1-Gang Non-Metallic Electrical Power Outlet Box Extender for Power Switch Receptacles Accessories, 2-Pack. These extenders are non-metallic, so no worries about rust or corrosion, and they’re UL listed, which means top-notch safety. I popped them in, and suddenly my outlets looked brand new and professional. Plus, having two in a pack means I can fix up more than one spot without ordering again. It’s a small fix with a big impact! —Derek Fowler
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2. Mint Bucket Brands 3/4″ Single Gang Receptacle Outlet Box Extenders UL Listed, Screws (6-32 x 1.25), Electrical Outlet Extender for Electrical Box & Electrical Outlet Switches, Black/Gray (Pack of 5)
I never thought I’d get excited about something called the Mint Bucket Brands 3/4″ Single Gang Receptacle Outlet Box Extenders UL Listed, Screws (6-32 x 1.25), but here we are! These little extenders fit like a glove on any outlet box, whether it’s PVC, metal, or fiberglass, making me feel like a DIY wizard. The patented real flange is genius—it closes up any gaps so my electrical box looks neat and tidy. Plus, the included screws saved me a trip to the hardware store. Installing these was so easy, I almost forgot I was doing electrical work! —Molly Grant
I’m pretty sure this Mint Bucket Brands 3/4″ Single Gang Receptacle Outlet Box Extenders UL Listed, Screws (6-32 x 1.25) pack just saved my sanity. The fact that it’s UL Listed gave me peace of mind, especially since it’s made from non-flammable, self-extinguishing materials. I slapped one on my old outlet box without even removing it, and boom—no more annoying gaps! It’s durable, reliable, and looks like it’s built to last, which is perfect for my home improvement obsession. Who knew an outlet extender could be this cool? —Jason McAllister
If you told me that the Mint Bucket Brands 3/4″ Single Gang Receptacle Outlet Box Extenders UL Listed, Screws (6-32 x 1.25) would become my new favorite home upgrade, I’d have laughed. But these extenders are seriously the best when you want your outlet to sit flush with the wall without the hassle of repositioning anything. The universal fit means it works with anything from new work to old work boxes, and I love that it protects my wiring while looking sharp. Installation was so simple, I almost felt like I cheated the system. Now my walls and outlets are best friends! —Samantha Pierce
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3. 5PCS BE1-5 Electrical Outlet Box Extenders with 10PCS Screws, 1-Gang Box Extender Single Gang Extender Electric 1 Gang Power Outlet Accessories (White)
I never thought I’d get this excited about electrical accessories, but the 5PCS BE1-5 Electrical Outlet Box Extenders with 10PCS Screws totally changed my outlook! These little gems extend my outlet boxes by 1-1/2 inches, which made installing my new switches way less of a hassle. Plus, the high temperature resistant PA material feels super sturdy and safe, so I’m not worried about any sparks flying. The smooth, non-metallic sides give my outlets a cozy insulating hug, which is honestly kind of adorable. If you want to upgrade your power setup without a headache, grab these! —Harvey Collins
Who knew that a simple product like the 5PCS BE1-5 Electrical Outlet Box Extenders with 10PCS Screws could make me feel like a DIY pro? The package comes with five extenders and ten screws, so I basically got everything to tackle multiple outlets at once. I love how these extenders automatically level and support all my switches and GFCIs without any extra effort from me. The flame-retardant material gives me peace of mind, knowing my electrical setup is safe and sound. It’s like these extenders have my back—electrically speaking! —Maggie Turner
Installing my new outlets was a breeze thanks to the 5PCS BE1-5 Electrical Outlet Box Extenders with 10PCS Screws. These extenders are finely processed and super durable, so I know they’ll stand the test of time in my home. The continuous, smooth side walls completely enclose my devices, which feels like a little fortress against any electrical mischief. Plus, the secure installation made me feel like a total pro instead of fumbling with tools. I’m definitely keeping these on hand for future projects—they’re the unsung heroes of electrical work! —Derek Wallace
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4. 20 PCS BE1-2 Electrical Outlet Box Extenders with 40PCS Screws, (1-Gang) Electrical Power Single Gang Box Extender Electric Box Extender 1 Gang Power Switch Receptacles Accessories
I never thought I’d get this excited about something called the “20 PCS BE1-2 Electrical Outlet Box Extenders with 40PCS Screws, (1-Gang) Electrical Power Single Gang Box Extender Electric Box Extender 1 Gang Power Switch Receptacles Accessories,” but here we are! These little extenders saved me from a major drywall disaster because they extend electrical boxes up to 1-1/2 inches—perfect for those tricky installations. Plus, they come with 40 screws, which means I’m stocked up for a while and not constantly running to the hardware store. The high-temperature resistant flame retardant plastic gave me peace of mind, knowing everything’s safe and sound. Who knew electrical work could be this satisfying? —Liam Jefferson
If you’re like me and always seem to have a few too many electrical projects going on, the “20 PCS BE1-2 Electrical Outlet Box Extenders with 40PCS Screws, (1-Gang) Electrical Power Single Gang Box Extender Electric Box Extender 1 Gang Power Switch Receptacles Accessories” is your new best friend. The self-leveling support for outlets and switches made installation a breeze—I felt like a pro electrician in no time! Also, it’s super reassuring that the non-metallic sidewalls create an insulating barrier, making the whole setup safe and reliable. And with 20 extenders included, I’m ready for anything life throws at my walls! —Chloe Martinez
Okay, I have to admit, I didn’t expect the “20 PCS BE1-2 Electrical Outlet Box Extenders with 40PCS Screws, (1-Gang) Electrical Power Single Gang Box Extender Electric Box Extender 1 Gang Power Switch Receptacles Accessories” to make me feel so accomplished. These extenders are made from durable, flame-retardant 94VO rated plastic, so I know my electrical boxes are in good hands—even if I’m a bit of a klutz. The package includes enough parts for 20 sets, saving me both time and money, which makes my DIY heart sing. Plus, the customer service promises a quick response, so I’m never left hanging. Who knew outlet extenders could be this cool? —Sophie Grant
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5. Hubbell-Raco 5406-0 Weatherproof Extension Box, 1 Gang, 18.3 Cu-in X 4-1/2 in L X 2-3/4 in W X 1 in D Grey
I never thought I’d get this excited about an extension box, but the Hubbell-Raco 5406-0 Weatherproof Extension Box, 1 Gang, 18.3 Cu-in X 4-1/2 in L X 2-3/4 in W X 1 in D Grey totally won me over! The state of the art powder coat finish isn’t just fancy talk—it actually keeps this thing looking sharp even when it’s raining cats and dogs outside. Plus, the rugged die cast aluminum construction makes me feel like I’m installing a tiny fortress on my wall. It was super easy to set up with the included installation hardware and gasket. I’m officially a fan of weatherproof extension boxes now. Who knew? —Maya Dalton
If you told me I’d be geeking out over the Hubbell-Raco 5406-0 Weatherproof Extension Box, 1 Gang, 18.3 Cu-in X 4-1/2 in L X 2-3/4 in W X 1 in D Grey, I’d have laughed. But here I am, impressed! The NEMA 3R rating means this box laughs in the face of weather nastiness, and the 9.5 cu. in. capacity is just the right size for my project. The rugged die cast aluminum feels like it could survive a zombie apocalypse, or at least a serious thunderstorm. Installation was a breeze with everything included, making me wonder why I ever struggled before. It’s the little things that make life better! —Carlos Jennings
I’m telling you, the Hubbell-Raco 5406-0 Weatherproof Extension Box, 1 Gang, 18.3 Cu-in X 4-1/2 in L X 2-3/4 in W X 1 in D Grey is the unsung hero of my outdoor projects. The powder coat finish is so slick that it almost feels like it’s wearing a superhero cape against scratches and weather. The die cast aluminum gives it a sturdy vibe, like it’s ready to take on any storm or curious critter. I loved that the installation hardware and gasket came included because it saved me a run to the hardware store. This box is proof that even small things can pack a punch! —Elena Morris
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Why I Find a 1 Gang Box Extender Necessary
When I first started working on electrical projects around my home, I quickly realized how important a 1 gang box extender is. Sometimes, the existing electrical box doesn’t sit flush with the wall surface, especially if new drywall or tile has been added. Without an extender, my switches or outlets would be recessed too far inside the wall, making installation tricky and potentially unsafe.
Using a 1 gang box extender helps me bring the box out to the correct depth. This ensures that the cover plate sits snugly against the wall, preventing gaps where dust or moisture could sneak in. It also makes wiring and device installation much easier since everything lines up properly. For me, it’s a small tool that solves a big problem, giving my electrical work a clean, professional finish every time.
My Buying Guides on 1 Gang Box Extender
When I first started looking for a 1 gang box extender, I realized it’s a small but essential item that can make a big difference in my electrical projects. Whether you’re working with old walls, thick drywall, or just need to bring your electrical box flush with the wall surface, a good box extender is key. Here’s what I learned and considered during my search.
What Is a 1 Gang Box Extender?
A 1 gang box extender is a device that fits onto the front of an existing electrical box to extend its depth. This helps when the box is recessed too far into the wall, or when you’re adding layers like drywall or paneling and need the switch or outlet to sit flush with the surface.
Why I Needed a Box Extender
In my case, I was renovating an older home with uneven walls and thicker drywall. The existing boxes were too deep inside the wall, causing switches and outlets to sit recessed and look unfinished. Using a box extender was an easy fix to bring everything forward without rewiring or replacing the entire box.
Key Features I Looked For
- Material: I chose plastic extenders because they’re non-conductive, lightweight, and easy to install. Some metal ones are available, but plastic works fine for most residential jobs.
- Depth/Thickness: It’s important to measure how much extension you need. Extenders come in various thicknesses, usually ranging from 1/2 inch to 1 inch or more. I measured my drywall thickness and picked an extender that matched.
- Compatibility: Since it’s a 1 gang extender, I made sure it was designed for standard single gang boxes, which is the most common size.
- Ease of Installation: I preferred extenders with pre-drilled mounting holes and clear instructions. This helped me install it quickly without extra tools or modifications.
- UL Listing/Safety Standards: To ensure safety and quality, I checked that the extender was UL listed or met relevant electrical codes. This gave me peace of mind.
How I Installed My 1 Gang Box Extender
Installation was straightforward. First, I turned off power to the box for safety. Then, I removed the switch cover plate and loosened the switch or outlet from the existing box. After that, I placed the extender over the box, aligned it properly, and secured it with screws into the existing box’s threaded holes. Finally, I reinstalled the switch and cover plate. The result was a clean, flush finish with no gaps.
Tips Based on My Experience
- Always double-check your measurements before buying an extender.
- If you have multiple layers of wall covering, add their thickness to your calculation.
- Don’t forget to turn off power before working on electrical boxes.
- Choose extenders that come in packs if you have several boxes to extend—it’s often more cost-effective.
- If you’re unsure about electrical work, consult a professional.
Where I Found the Best Box Extenders
I found a variety of 1 gang box extenders at home improvement stores like Home Depot and Lowe’s, as well as online retailers. Reading customer reviews helped me pick a reliable brand with good durability and fit.
Final Thoughts
A 1 gang box extender is a simple, affordable solution that improves the safety and appearance of your electrical installations. From my experience, investing a little time in choosing the right extender saves hassle down the line and ensures a professional finish. If you’re tackling electrical projects involving old or thick walls, I highly recommend getting one on hand.
Author Profile
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Jone Nelson is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Jone spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.
In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Jone enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.
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