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Comparison Chart For Best Octagonal Electrical Box Extender
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Best Octagonal Electrical Box Extender Recommendations
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

When it comes to electrical ceiling box extenders, the iMBAPrice BE1R is a great option for those looking for a reliable and safe product. Made from 105 deg C continuous use 94 V-0 rated flame-retardant plastic, this trimmable box extender is capable of accommodating shallow boxes and avoiding obstructions. Measuring 1.5 inches tall and 4.35 inches in diameter, the octagonal-shaped extender is easy to install and use.
Common Questions on 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
• What is the price of 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?The price of 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 is $4.35.
• What is the dimensions of the box extender?
The dimensions of the box extender are 4.35 inches x 1.5 inches.
• What kind of ceiling boxes does this extender work with?
This extender works with 3.5′ and 4′ round or octagonal ceiling boxes.
Why We Like This
Manufactured from 105 deg C continuous use 94 V 0 rated flame retardant plastic for safer installations
This Trimmable box extender is capable of accommodating shallow boxes and avoids obstructions
Capable of being used with 3 1/2 Inch and 4 Inch Round and Octagonal Set Back Ceiling Boxes
Diameter of 435 Inches and Height of 485 Inches
Made from durable plastic material
Additional Product Information
Color | Electrical Box Extender |
Height | 4.8 Inches |
Length | 1.5 Inches |
iMBAPrice BE1R-2 (2-Pack) 1-Gang 4.35-Inch x 1.5-Inch Plastic Electrical Ceiling Box Extender for 3.5′ and 4′ Round or Octagonal Boxes

If you’re looking for a simple and effective way to extend the height of your 3.5 or 4 inch round or octagonal ceiling box, the iMBAPrice BE1R-2 is a great option. Made from 105 degree continuous use 94 V-0 rated flame-retardant plastic, it’s safe for installations and can accommodate shallow boxes without any obstructions. Plus, it’s easily trimmed to fit your needs and comes with a 1-year limited warranty.
Common Questions on iMBAPrice BE1R-2 (2-Pack) 1-Gang 4.35-Inch x 1.5-Inch Plastic Electrical Ceiling Box Extender for 3.5′ and 4′ Round or Octagonal Boxes
• What is the dimensions of this product?The dimensions of the product are 4.35-Inches x 1.5-Inches.
• What is this product made out of?
This product is made out of plastic.
• What is this product used for?
This product is used for extending 3.5′ and 4′ round or octagonal boxes.
Why We Like This
• 1. Made from 105 deg C continuous use 94 V 0 rated flame retardant plastic for safer installations• 2. Trimmable box extender is capable of accommodating shallow boxes and avoids obstructions• 3. Plastic material is durable and long lasting• 4. 1 1/2 inch octagon shape is perfect for ceiling boxes• 5. 435 inch diameter and 485 inch height
Additional Product Information
Color | Electrical Box Extender |
Height | 4.8 Inches |
Length | 1.5 Inches |
Steel City 55151-1 or 2-25 4-Inch Diameter 1-1 or 2-Inch Deep 15.8-Cubic Inch Pre- Galvanized Steel Octagon Box Extension Ring

If you find yourself needing to add extra wire capacity to an octagon box, don’t fret – the Steel City 55151-1 or 2-25 4-Inch Diameter 1-1 or 2-Inch Deep 15.8-Cubic Inch Pre-Galvanized Steel Octagon Box Extension Ring is here to help. This ring mounts directly on top of the octagon box and provides additional space for wiring, making it perfect for use with conduits. Plus, it’s UL listed for your peace of mind. So why not pick up one (or two) today and save yourself the headache down the road?
Common Questions on Steel City 55151-1 or 2-25 4-Inch Diameter 1-1 or 2-Inch Deep 15.8-Cubic Inch Pre- Galvanized Steel Octagon Box Extension Ring
• What are the dimensions of the Steel City 55151-1 or 2-25 4-Inch Diameter 1-1 or 2-Inch Deep 15.8-Cubic Inch Pre- Galvanized Steel Octagon Box Extension Ring?The dimensions of the Steel City 55151-1 or 2-25 4-Inch Diameter 1-1 or 2-Inch Deep 15.8-Cubic Inch Pre- Galvanized Steel Octagon Box Extension Ring are 4 inches in diameter and 1-1/2 inches deep.
• What is the capacity of the Steel City 55151-1 or 2-25 4-Inch Diameter 1-1 or 2-Inch Deep 15.8-Cubic Inch Pre- Galvanized Steel Octagon Box Extension Ring?
The capacity of the Steel City 55151-1 or 2-25 4-Inch Diameter 1-1 or 2-Inch Deep 15.8-Cubic Inch Pre- Galvanized Steel Octagon Box Extension Ring is 15.8 cubic inches.
• Is the Steel City 55151-1 or 2-25 4-Inch Diameter 1-1 or 2
Why We Like This
1. Drawn construction provides extra wire capacity.
2. Mounts directly on top of octagon box.
3. Use with conduits.
4. UL listed.
5. Galvanized steel for durability.
Additional Product Information
Color | Grey |
Height | 4 Inches |
Length | 4 Inches |
Weight | 0.2 Pounds |
Carlon A471 Outlet Box Plaster Ring Round Raised 4-Inch Diameter Blue

If you’re looking for a reliable and durable outlet box plaster ring, the Carlon A471 is a great choice. This non-metallic ring has a 32 cubic-inch capacity and is 1/2-inch raised. It’s also fade-resistant and easy to install, making it a great option for any home or office.
Common Questions on Carlon A471 Outlet Box Plaster Ring Round Raised 4-Inch Diameter Blue
• What is the dimensions of the Carlon A471 Outlet Box Plaster Ring?The Carlon A471 Outlet Box Plaster Ring has a 4-inch diameter.
• What is the function of the Carlon A471 Outlet Box Plaster Ring?
The function of the Carlon A471 Outlet Box Plaster Ring is to provide a decorative and flush mount for an electrical outlet or switch.
• What is the material of the Carlon A471 Outlet Box Plaster Ring?
The Carlon A471 Outlet Box Plaster Ring is made of durable blue plastic.
• How is the Carlon A471 Outlet Box Plaster Ring mounted?
The Carlon A471 Outlet Box Plaster Ring is mounted with screws (not included).
• Is the Carlon A471 Outlet Box Plaster Ring UL listed?
Yes, the Carlon A471 Outlet Box Plaster Ring is UL listed.
Why We Like This
• 1. Non metallic• 2. 32 cubic inch capacity• 3. 1/2 inch raised• 4. Blue• 5. Round Raised 4 Inch Diameter
Additional Product Information
Color | Blue |
Height | 6 Inches |
Length | 4 Inches |
Weight | 0.04 Pounds |
Sigma Engineered Solutions Gray 14236 1 or 2-Inch 4 Hole Round Weatherproof Extension Ring

Sigma Engineered Solutions Gray 14236 1 or 2-Inch 4 Hole Round Weatherproof Extension Ring is used to extend the depth of a 4-in round weatherproof box. It features four 1/2-in knockouts and 165 cu in capacity. Die-cast metal construction and powder coated for corrosion resistance. Includes closure plugs, hardware and gasket. Product is UL and CSA listed, suitable for wet locations and NEMA 3R rated.
This extension ring is a great way to add extra depth to your 4-inch round weatherproof box. The die-cast metal construction and powder-coated finish make it corrosion resistant, and it comes with closure plugs, hardware, and a gasket. The product is UL and CSA listed and NEMA 3R rated, making it suitable for use in wet locations.
Common Questions on Sigma Engineered Solutions Gray 14236 1 or 2-Inch 4 Hole Round Weatherproof Extension Ring
• What is the diameter of the extension ring?The extension ring has a diameter of 14 inches.
• What is the purpose of the extension ring?
The purpose of the extension ring is to provide additional support for a suspended ceiling. The ring is also weatherproof, making it ideal for use in outdoor applications.
Why We Like This
Extends the depth of a 4 in round weatherproof box
Features four 1/2 in knockouts
165 cu in capacity
Die cast metal construction
Powder coated for corrosion resistance
Additional Product Information
Color | Gray |
Height | 1.6 Inches |
Length | 4.2 Inches |
Weight | 0.2 Pounds |
Buying Guide for Best Octagonal Electrical Box Extender
If you are in the market for an octagonal electrical box extender, there are a few things you should keep in mind to ensure you purchase the best possible product. First, make sure that the octagonal electrical box extender you choose is made from high-quality materials. This will ensure that it lasts for many years and can withstand repeated use. Second, check to see if the octagonal electrical box extender you are considering comes with a warranty. This will give you peace of mind knowing that if anything goes wrong with your purchase, you will be covered. Finally, read online reviews of the octagonal electrical box extenders you are considering to get an idea of what others think about their quality and performance. By following these simple tips, you can be sure to purchase the best octagonal electrical box extender for your needs.
Frequently Asked Question
What are the benefits of an octagonal electrical box extender?
An octagonal electrical box extender is used to extend the length of an electrical box. This is beneficial when you need to add an extra outlet or switch to an existing electrical box.
How does an octagonal electrical box extender help to improve the appearance of an electrical box?
An octagonal electrical box extender helps to improve the appearance of an electrical box by making it look more symmetrical.
How does an octagonal electrical box extender help to save space within an electrical box?
An octagonal electrical box extender is used to create more space within an electrical box. It is installed over the existing electrical box and extends it outwards. This allows for more room to work within the electrical box and makes it easier to wire.
How does an octagonal electrical box extender help to improve the function of an electrical box?
An octagonal electrical box extender helps to improve the function of an electrical box by providing additional space for wiring and other electrical components. This can help to prevent overcrowding and improve the overall efficiency of the electrical box.
How can an octagonal electrical box extender be used in conjunction with other electrical box accessories?
An octagonal electrical box extender can be used in conjunction with other electrical box accessories to provide a more complete and secure electrical installation. When used in combination with an electrical box cover, an octagonal electrical box extender can help to prevent accidental contact with live electrical wires. When used in combination with an electrical box seal, an octagonal electrical box extender can help to prevent moisture and debris from entering the electrical box.
Conclusion
Our octagonal electrical box extender is the best on the market. It is easy to install and comes with a lifetime warranty. With our product, you will never have to worry about your electrical wiring again.