Are you planning to buy extension 4 inch round electrical boxs, and are you confused about the options ? This page is just for you.

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Our Top Picks:

Best Overall: Buy: Hubbell Raco Extension 4 Inch Round Electrical Box READ REVIEW

Best For Extra Room: Buy: Imbaprice Extension 4 Inch Round Electrical Box READ REVIEW

Best For Ceiling Fan: Buy: Bell Extension 4 Inch Round Electrical Box READ REVIEW

Best For Easy Install: Buy: Imbaprice Electrical Box READ REVIEW

Best For Light: Buy: Morris Extension 4 Inch Round Electrical Box READ REVIEW

Best For Dry Locations: Buy: Sigma Electric Extension 4 Inch Round Electrical Box READ REVIEW

Best Overall: Hubbell Raco Extension 4 Inch Round Electrical Box

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The Hubbell Raco Extension 4 Inch Round Electrical Box's high-end materials makes sure that it ages well with use. And, the hubbell raco extension 4 inch round electrical box is water resistant, is for the family room and it is great with full instructions. Make sure this fits by entering your model number. In addition, it includes a steel box, solid brass cover and flange, and a 15a/125v tamper resistant receptacle. Lastly, the hubbell raco extension 4 inch round electrical box is available in elegant black color.

Most customers agree that the box is easy to install and can be configured easily for multiple thicknesses of floor. In addition, a few say that the box is built for commercial duty and will last for decades. And, a few say that the nice thing about this is the box accepts any standard box receptacle, like electrical, hdmi, ethernet, usb jacks, etc. Overall, at the price, they believe that they got a steal of a deal with it.

• This looks .. simple to install.
• This is exactly like a plug in how it is attached.
• This allows plug to be concealed and complies with NEC article 406.11.
• This is at least thick metal with a nice brass finish in any event.

Best For Extra Room: Imbaprice Extension 4 Inch Round Electrical Box

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The Imbaprice Extension 4 Inch Round Electrical Box's material feels more premium than its price would suggest. The imbaprice extension 4 inch round electrical box is used for white color and it allows for extra room. Make sure this fits by entering your model number. This trimmable box extender is capable of accommodating shallow boxes and avoids obstructions.

The box works as described and it works great. Above all, the imbaprice extension 4inch roundelectrical box works well for the price point, worked perfectly and it works great.

Almost all buyers found that the box had a problem with many of the electronic switches, including dimmer switches and gfcis. Also, a few say that the box is a perfect solution for wifi switch in a crowded electrical box. To sum up, most customers call the box suits best, and no one questions it.

• This is great to extend existing ceiling boxes.
• Plastic material; 1-1/2 inch; octagon shape; 4.35 inch diameter; height 4.85 inch.
• This comes with the #6 screws needed.
• These are plenty long enough though.

Best For Ceiling Fan: Bell Extension 4 Inch Round Electrical Box

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The Bell Extension 4 Inch Round Electrical Box is capable of outshining several other boxes featured in this list in overall features for the price point. The bell extension 4 inchround electrical box is easy to use and it works great. Make sure this fits by entering your model number. And, the box works well for security cameras, has mounting screws and it is great for extra room.

Finally, the bell extension4 inch round electrical box includes installation hardware, closure plugs, gasket, and multi-lingual instructions.

Almost all customers found that the box is an extension box (1) and is open at the back. And, a few say that the box is about 1-1/4 inches deep. Also, they strongly agree that the box includes everything you need.

• This is great for box type and it is good for good quality.
• This is perfect for 2.75 mud rings and 3.5" boxes.
• This is used screws that you attach to boxes as the first box is grounded.
• This is perfect and bolted up with no issues.

Best For Easy Install: Imbaprice Electrical Box

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Next on the list, we've got yet another box that manages to win our hearts. It's the Imbaprice Electrical Box and it's widely considered as one of the most convenient boxes you can buy. The imbaprice electricalbox is manufactured from 105 deg c continuous use 94 v-0 rated flame-retardant plastic for safer installations. The Manufacturer says: Our mission is to provide users with the ultimate audio and networking transfer media. This trimmable box extender is capable of accommodating shallow boxes and avoids obstructions.

The box offers better device support in oversized or miscue wall openings. Finally, the imbaprice electrical box allows for a cleaner and it worked fine.

Most customers found that the box that is used to mount a fan must be securely attached to the structure. In addition, a few say that the box is great for ceiling fan. With no doubts, this box passed the test and had very satisfied buyers eager to share their experience.

• Plastic material; 1-1/2 inch; octagon shape; 4.35 inch diameter; height 4.85 inch.
• Talk about a way to save yourself some valuable time and money.
• It allows you to correct setbacks and insulate devices with an easy install design.
• The Manufacturer says: Our top-notch products will aid you in completing your objectives.

Best For Light: Morris Extension 4 Inch Round Electrical Box

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate box. The Morris extension 4 inch round electrical box is exactly that - it's a simple box that hits all the right notes. Make sure this fits by entering your model number. Also, the box includes closure plugs. To sum up, with a 5.0 rating and more than 112 buyers, the Morris extension 4inch roundelectrical box stands as the best choice.

To sum up, many customers have used the Morris extension4 inchround electricalbox for more than a few months without any issues, and it shows no sign of giving up.

• 4" round weatherproof box extensions - our powder coated electrical extension keeps moisture out.
• powder coated electrical extension has a 15.8 cubic inch capacity - 1-1/2" deep.
• The Manufacturer says: our powder - coated electrical extension keeps moisture out.

Best For Dry Locations: Sigma Electric Extension 4 Inch Round Electrical Box

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The Sigma Electric Extension 4 Inch Round Electrical Box's superior materials makes sure that it ages well with use. The sigma electric extension 4 inch round electrical box includes closure plugs, hardware and a gasket. Sigma's weatherproof extension ring increases the capacity of a weatherproof box. In addition, the box is used to extend the depth of a 4-in round weatherproof box.

Above all, the sigma electric extension 4 inch round electrical box works like a charm, suitable for dry locations and it has four 1/2-in knockouts.

In short, the tone of buyers is very positive and we believe that the box suits the purpose.

• Die-cast metal construction and powder coat for corrosion resistance.
• product is ul and csa listed, suitable for wet locations and nema 3r rated.
• Features four 1/2-in knockouts and a 16.5 cu. In. capacity.