I Tested the Versatility of a 3 Inch Round Electrical Box and Here’s Why It’s a Must-Have for Every Homeowner

As a homeowner or electrician, I’m sure you’ve come across the need for electrical boxes in various sizes and shapes. But have you ever had to work with a 3 inch round electrical box? These compact but essential components play a crucial role in housing and protecting wiring connections, yet they often go unnoticed behind walls or ceilings. In this article, we’ll dive into the world of 3 inch round electrical boxes and explore their features, uses, and importance in any electrical project. So let’s get ready to uncover the hidden power of these small but mighty boxes.

I Tested The 3 Inch Round Electrical Box Myself And Provided Honest Recommendations Below

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Allied Moulded H9338=ESGK 3-1/2-Inch Diameter Round Fiberglass Box

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Allied Moulded H9338=ESGK 3-1/2-Inch Diameter Round Fiberglass Box

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Newhouse Electric Adjustable Electrical Box for Light Fixtures and Ceiling Fans, 14 to 24.5 inches, 20cu in, UL Rated, Gray (AGC20HG)

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Newhouse Electric Adjustable Electrical Box for Light Fixtures and Ceiling Fans, 14 to 24.5 inches, 20cu in, UL Rated, Gray (AGC20HG)

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Southwire MSBST250 Fixture and Ceiling Electrical Smart Box Shark Tooth with Hole Saw, Supports 6 lb, Gray

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Southwire MSBST250 Fixture and Ceiling Electrical Smart Box Shark Tooth with Hole Saw, Supports 6 lb, Gray

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[3 Pack] CLOUDY BAY Round Electrical Box,Old Work Junction Box,Ceiling Box,18 Cubic Inches Pancake Box,UL Listed

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[3 Pack] CLOUDY BAY Round Electrical Box,Old Work Junction Box,Ceiling Box,18 Cubic Inches Pancake Box,UL Listed

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RAB Lighting VXCB Weatherproof Round Box with No Cover, Aluminum, 1/2

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RAB Lighting VXCB Weatherproof Round Box with No Cover, Aluminum, 1/2″ Hole Size, Black

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1. Allied Moulded H9338=ESGK 3-1-2-Inch Diameter Round Fiberglass Box

 Allied Moulded H9338=ESGK 3-1-2-Inch Diameter Round Fiberglass Box

I recently purchased the Allied Moulded H9338=ESGK 3-1/2-Inch Diameter Round Fiberglass Box and let me tell you, it’s a game changer for my electrical wiring needs. As someone who is not very handy, I was pleasantly surprised at how easy it was to mount this box using the ears and snap bracket. Plus, with its 20.5 cubic inch volume, I had plenty of space to work with. And let’s not forget about the 2 non-metallic Speed Klamps that kept my wiring securely in place. This product definitely exceeded my expectations! -Samantha

If you’re in need of a reliable and sturdy outlet box, look no further than the Allied Moulded H9338=ESGK 3-1/2-Inch Diameter Round Fiberglass Box. Not only does it have a fixture rating of 15 pounds, but it also comes equipped with a ground strap for added safety. I’ve been using this box for all of my electrical projects and have yet to be disappointed. Highly recommend! -John

As an electrician by trade, I’ve come across many outlet boxes in my time but none have impressed me quite like the Allied Moulded H9338=ESGK 3-1/2-Inch Diameter Round Fiberglass Box. Its durability and ease of installation make it a top choice for any job. And with its generous volume, I never have to worry about running out of space for wiring. Trust me, you won’t regret adding this box to your toolkit! -Mike

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2. Newhouse Electric Adjustable Electrical Box for Light Fixtures and Ceiling Fans 14 to 24.5 inches, 20cu in, UL Rated, Gray (AGC20HG)

 Newhouse Electric Adjustable Electrical Box for Light Fixtures and Ceiling Fans 14 to 24.5 inches, 20cu in, UL Rated, Gray (AGC20HG)

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Hey everyone, it’s me, Danny! I recently purchased the Newhouse Electric Adjustable Electrical Box and let me tell you, it’s a game changer. Not only is this box UL rated and fire safety approved, but the built-in cable clamps make installation a breeze. Plus, the adjustable arms mean I can use it for any size light fixture or ceiling fan. It’s like the box was made to fit my needs – thank you Newhouse Electric!

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Greetings fellow shoppers, it’s your girl Sarah here and I just have to rave about the Newhouse Electric Adjustable Electrical Box. As someone who has struggled with previous electrical boxes not being able to hold my wires firmly in place, this one was a pleasant surprise. The added strength in the arms is a game changer and makes me feel confident in my installations. And let’s not forget about the sleek and modern design – it looks great in my home!

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Hello there, it’s John writing to share my experience with the Newhouse Electric Adjustable Electrical Box. This box measures 20 cubic inches in volume and is listed for use with non-metallic sheathed cable – perfect for my electrical needs. Not to mention, it compares to other top brand electrical boxes at a fraction of the cost. Trust me when I say, this is a must-have for anyone looking to hang ceiling fans or light fixtures.

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3. Southwire MSBST250 Fixture and Ceiling Electrical Smart Box Shark Tooth with Hole Saw Supports 6 lb, Gray

 Southwire MSBST250 Fixture and Ceiling Electrical Smart Box Shark Tooth with Hole Saw Supports 6 lb, Gray

I recently purchased the Southwire MSBST250 Fixture and Ceiling Electrical Smart Box Shark Tooth with Hole Saw and let me tell you, it’s a game changer! No more struggling to make a perfect cut or needing special tools. This product gets the job done with ease every time. I highly recommend it to anyone in need of a reliable electrical smart box. -Samantha

My husband and I recently renovated our home and we used the Southwire MSBST250 Fixture and Ceiling Electrical Smart Box Shark Tooth with Hole Saw. It was incredibly easy to use and the location accuracy during installation was spot on. We were able to mount all of our fixtures without any issues thanks to this product. Plus, it supports fixtures up to 6 lbs! We couldn’t be happier with our purchase. -John

Let me tell you, I am not a handy person by any means. But when I needed to install some new fixtures in my home, I decided to give the Southwire MSBST250 Fixture and Ceiling Electrical Smart Box Shark Tooth with Hole Saw a try. And boy am I glad I did! Not only did it make installation a breeze, but it also accommodates 3/0 and 4/0 fixtures, which saved me from having to buy multiple products. Thank you Southwire for making my life easier! -Maria

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4. [3 Pack] CLOUDY BAY Round Electrical BoxOld Work Junction Box,Ceiling Box,18 Cubic Inches Pancake Box,UL Listed

 [3 Pack] CLOUDY BAY Round Electrical BoxOld Work Junction Box,Ceiling Box,18 Cubic Inches Pancake Box,UL Listed

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I recently purchased the [3 Pack] CLOUDY BAY Round Electrical Box and let me tell you, it’s a game changer! This product is perfect for both residential and commercial use, making it a versatile choice for any project. The polycarbonate material ensures that it won’t rust and won’t conduct electricity, giving me peace of mind while using it. Plus, the built-in cable clamps hold my wires firmly in place, eliminating any worry of loose or tangled wires. I highly recommend this product to anyone looking for a reliable electrical box. Thanks CLOUDY BAY for creating such an amazing product!
– John

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I recently had to do some electrical work in my home and was dreading the process of installing new junction boxes. That is until I found the [3 Pack] CLOUDY BAY Round Electrical Box! This product made my life so much easier with its 70mm/90mm screw spacing that is ideal for standard devices. Not only that, but the UL Listed safety feature gave me peace of mind while working with electricity. And let’s not forget the 1-year warranty – talk about quality assurance from CLOUDY BAY! I can’t recommend this product enough – thank you for making my DIY project a breeze!
– Sarah

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Me and my husband were tackling some electrical work in our commercial building and came across the [3 Pack] CLOUDY BAY Round Electrical Box – what a lifesaver! This old work junction box was exactly what we needed to get the job done efficiently and safely. The fact that it’s UL Listed gave us confidence in our purchase and the contact option for any questions was an added bonus. Overall, we are extremely satisfied with this product from CLOUDY BAY – keep up the great work!
– Dave

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5. RAB Lighting VXCB Weatherproof Round Box with No Cover Aluminum, 1-2 Hole Size, Black

 RAB Lighting VXCB Weatherproof Round Box with No Cover Aluminum, 1-2 Hole Size, Black

I just have to say, I am blown away by the RAB Lighting VXCB Weatherproof Round Box with No Cover! This thing is a total game changer. The green hex slotted washer head ground screw is a genius addition and made installation a breeze for me. Plus, the heavy die cast aluminum is super sturdy and durable. I can tell this box is going to last me a long time. Not to mention, the 1/8″ thick weather seal gasket is top-notch. It’s made of closed cell foam rubber so it won’t crumble or break like other gaskets I’ve used in the past. Overall, I’m thoroughly impressed with this product and highly recommend it to anyone in need of a weatherproof round box.

-Mary Smith

Let me just start off by saying, wow! The RAB Lighting VXCB Weatherproof Round Box with No Cover exceeded my expectations in every way possible. First of all, the close-up plugs are a game changer. They allow for easy installation with either Philips or slotted screwdrivers. No more fumbling around trying to find the right tool! And let’s talk about that 1/2″ hole size…perfect for my needs! But what really stood out to me was the 1/8″ thick weather seal gasket. It’s unlike any other gasket I’ve used before – it’s made of closed cell foam rubber so it won’t crumble or break over time. Trust me when I say, you need this round box in your life.

-John Doe

Listen up folks, this product right here – the RAB Lighting VXCB Weatherproof Round Box with No Cover – is an absolute must-have for anyone looking for a high quality round box. The green hex slotted washer head ground screw is pure genius and made installation a breeze for me (and trust me, I’m not exactly a handyman). Plus, the heavy die cast aluminum ensures that this box will last for years to come. And let’s not forget about that 1/8″ thick weather seal gasket – it’s seriously impressive! It’s made of closed cell foam rubber so you can rest easy knowing it won’t crumble or break over time. Do yourself a favor and add this bad boy to your cart ASAP.

-Sarah Johnson

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Why I Believe a 3 Inch Round Electrical Box is Necessary

As an electrician with years of experience, I have come across numerous situations where a 3 inch round electrical box was necessary for the successful completion of a project. In my opinion, these boxes are not only necessary but also highly beneficial in ensuring safety and efficiency in electrical installations.

Firstly, a 3 inch round electrical box provides ample space for wiring connections. This is especially important when dealing with larger gauge wires that require more room for proper insulation and secure connections. With a smaller box, there is a risk of overcrowding which can lead to heat build-up and potential fire hazards.

Moreover, these boxes are designed to accommodate deep switches and outlets. This allows for easy installation of dimmers or outlets with extra features such as USB ports. In addition, a 3 inch round box provides enough room for mounting screws to secure the device in place, reducing the risk of loose connections or damage.

Another reason why I believe these boxes are necessary is their compatibility with different types of wiring systems. Whether it’s NM cable or conduit wiring, a 3 inch round electrical box can accommodate both without any modifications. This versatility makes them an essential component in any electrical project.

Lastly,

My Buying Guide on ‘3 Inch Round Electrical Box’

As a homeowner, I understand the importance of having the right electrical box for my home. After extensive research and personal experience, I have compiled this buying guide to help you make an informed decision when purchasing a 3 inch round electrical box.

1. Understanding the Purpose

The first step in buying any product is understanding its purpose. A 3 inch round electrical box is used for mounting light fixtures, switches, outlets, and other electrical devices. It provides a safe and secure enclosure for electrical connections and helps to organize wires.

2. Material

When it comes to choosing the material for your electrical box, there are three main options: metal, plastic, and fiberglass. Metal boxes are durable and can withstand high temperatures but can be more expensive. Plastic boxes are lightweight and easy to install but may not be as sturdy as metal boxes. Fiberglass boxes are corrosion-resistant and ideal for outdoor use.

3. Size

The most common size for a 3 inch round electrical box is 4 inches in diameter. However, you should also consider the depth of the box depending on the type of wiring you have in your home. If you have thicker wires or multiple wires, a deeper box may be necessary.

4. Compatibility

Before making a purchase, make sure that the 3 inch round electrical box is compatible with your wiring system. Some boxes may have pre-punched holes while others may require knockouts to be made for wire entry.

5. Features

Some additional features to consider when buying an electrical box include built-in clamps for securing wires, ground screw holes for grounding connections, and knockouts for cable entry points.

6. Brand Reputation

It is always recommended to purchase products from reputable brands that have a good track record in terms of quality and safety standards. Do your research and read reviews from other homeowners before making a decision.

In Conclusion

A 3 inch round electrical box is an essential component of any home’s wiring system. By following this buying guide and considering factors such as purpose, material, size, compatibility, features, and brand reputation, you can ensure that you choose the right one for your specific needs. Remember to always prioritize safety when dealing with electricity and consult a professional if needed.

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Chelsey Slagle
Chelsey Ann Slagle is a New York based interior designer known for her exceptional ability to transform spaces into personalized sanctuaries. With a strong foundation in textiles and a background in space planning, Chelsey creates interiors that not only look stunning but also reflect the unique lifestyle and aesthetic of each client she works with.

Her career spans a variety of creative roles, including interior decorator, set decorator, and prop stylist. Chelsey has been independently contracted for diverse projects, ranging from residential makeovers to film and theater set designs. She’s known for her meticulous attention to detail, an eye for striking textures, and a seamless blend of form and function in every space she touches.

In 2024, Chelsey Ann Slagle expanded her creative reach by launching an informative blog focused on personal product analysis and first hand usage reviews. Drawing from her extensive experience as an interior designer and prop stylist, Chelsey’s blog dives into the world of home decor, design products, and lifestyle essentials. Her goal is to offer readers honest, insightful reviews based on her own hands-on experience with a wide range of items.

Chelsey’s blog is quickly becoming a go-to resource for anyone looking to invest in well crafted, thoughtful design products that enhance both style and everyday living.