The Best Round Project Box of 2025 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Round Project Box of 2025. Check our ranking below.

2,820 Reviews Scanned

Rank No. #1

Raculety 2 Pack Project Box IP65 Waterproof Junction Box ABS Plastic Black Electrical Boxes DIY Electronic Project Case Power Enclosure 3.27"x3.19"x2.2"(83x81x56mm)

【Size】- Outer size of the project box: 3.27"x3.19"x2.2"(83 x 81 x 56 mm); Inner size of the project box:2.99" x 2.87" x 1.89" (76 x73 x 48mm)
【IP65 Waterproof Grade】- Waterproof & weather designed, effectively block splashing water, rain, dust, snow, oil, etc., Ideal for electronic projects, Arduino enclosure, power supply units, temperature controller box, etc.
【Superior Durable】- Made of high-quality ABS material that offers outstanding impact resistant and electrical insulation, Moisture-proof, sunscreen, anti-corrosion, durable for years use. can keep your equipment well-protected in harsh environments.
【Easy for DIY】- This sturdy junction box can be drilled and shaped easily without cracking, so it’s also suitable for your various DIY projects.
【Package Content】- 2xBlack junction box, 8 x stainless steel screws, 2x sealing gasket

Rank No. #2

Otdorpatio Junction Box IP65 Waterproof ABS Plastic Electrical Project Case Power Junction Boxes, Project Box with Fixed Ear Black 7.87 x4.72 x2.95 inch (200x120x75 mm)

【Size】- Outer size of the project box: 7.87"x 4.72"x2.95"(200 x 120 x75 mm); Inner size of the project box:7.52" x4.37" x 2.68" (191 x111 x68mm)
【Superior Electrical Safety】– IP65 Rated Indoor & Outdoor Waterproof Junction Box protect against dust, corrosion and splashing water, helps keep all your home electrical equipment Clean & Dry.
【Superior Durable】- Made of high-quality ABS material that offers outstanding impact resistant and electrical insulation, Moisture-proof, sunscreen, anti-corrosion, durable for years use. can keep your equipment well-protected in harsh environments.
【Easy for DIY】- This sturdy junction box can be drilled and shaped easily without cracking, so it’s also suitable for your various DIY projects.
【Wild Application】Widely used for electronic projects, instrument enclosure, power supply units, temperature controller box, etc.****Package Content : 1xWaterproof Junction Box****

Rank No. #3

6PCS Electronic Project Box,IP65 Waterproof Dustproof ABS Plastic Junction Box- Indoor and Outdoor Electronics Cable Electrical Project Boxes 2.55x2.28x1.37 inch

Durable ABS Material: This waterproof junction box is crafted from high-quality ABS material, boasting a stable and sturdy structure, intricate craftsmanship, and enhanced resistance against corrosion, scratches, and breakage. It ensures long-lasting durability and extended use.
IP65 Protection Rating: Featuring an IP65 protection rating and equipped with a silicone rubber sealing strip, this junction box offers superior sealing performance, effectively preventing dust, corrosion, and splashing water. It delivers excellent anti-corrosion properties, free from static electricity and insulation resistance.
Easy Installation: Equipped with mounting screws, this box is effortlessly installed, user-friendly, and easy to maintain. It suits outdoor wiring solutions and is reusable. You can also easily set it up to connect prototype boards.
Versatile Applications: Suitable for various applications including electrical engineering, electronic projects, instrument casings, power supplies, temperature control boxes, control cabinets, distribution boxes, electronic product casings, etc. It accommodates meters, LCDs, sockets, LEDs, buttons, and serves as an electrical instrument or component box.
Package Contents: You will receive 6 black waterproof junction boxes, measuring 64 x 57 x 35 millimeters (2.55x2.28x1.37 inch), equipped with silicone rubber sealing strips and mounting screws, ideal for daily use.

Rank No. #4

Zulkit 5Pcs Project Boxes ABS Plastic Electrical Project Case Power Junction Box Black 2.40 x 1.41 x 0.98 inch (61 x 36 x 25 mm)

【Material】-- Made of quality ABS plastic, durable and practical, quality material and unique design always keeps your devices new and clean
【Size】-- External Size of the project box :2.40" x 1.41" x 0.98"(61 x 36 x 25mm)(L*W*H); Internal Size of the project box : 2.17" x 1.18" x 0.79"(55x 30 x 20mm)(L*W*H); Thickness: 0.08"/2mm
【Fastening Clasp Design】-- Solid construction and compact design to protect against dust, corrosion and dripping water,and clasp design keeps your electronic projects clean and safe.
【Wide applications】-- Ideal for electronic projects, power supply enclosure, amplifiers box, etc. Especially suitable for portable projects and battery powered projects
【Package Content】-- 5 x Electronic project boxes

Rank No. #5

Electrical Box, Outdoor Waterproof Box IP65 Junction Box with Reserved Holes,ABS Plastic Project Box Power Cord Enclosure Black 5.9 x 4.3 x 2.8 inch(150x110x70mm)

【Reserved Hole Design 】- The junction box is reserved holes design, Drill holes open on your demand and keep your inner projects dry with cable glands in package
【SUPERIOR DURABLE】- Made of high-quality ABS material which offers outstanding impact resistant and electrical insulation, can keep your equipment well-protected in harsh environments.
【IP65 GRADE】- Waterproof & weather designed, effectively block splashing water, rain, dust, snow, oil, UV, etc., can be widely used for both indoor and outdoor applications.
【Size】- Outer Size: 5.9" x 4.3" x 2.8"/150 x 110 x 70mm(L*W*H); Inner Size: 5.87" x 4.25" x 2.52"/149 x 108 x 64mm(L*W*H); Thickness : 0.1''/2.5mm; Screw Thread Dia.: 0.12"/3mm
【Package Content 1x Black Junction Box; 4x Stainless Steel Screws; 2x M24 Black Cable Gland.

Rank No. #6

HoHaing Project Box IP65 Waterproof Dustproof Junction Box ABS Plastic Enclosure Box for Electronics Black Outdoor Project 2.48"x 2.28"x 1.37"(63 x 58 x 35 mm)(2Pcs)

【Waterproof grade: IP65】HoHaing plastic project box is weatherproof, moisture-proof, sunscreen, anti-corrosion, suitable for various indoor and outdoor electronic projects.
【Suitable for DIY】Our plastic junction box is easy to drill for DIY electrical projects such as PCB board, terminal, buttons, etc.
【Durability】The junction box is made of high-quality ABS plastic to resist falling and impact. And high quality electrical box is strong enough and has a longer service life.
【Product Size】External Size of the project box : 4.5 x 3.5 x 2.1 inch(63 x 58 x 35 mm)(L*W*H)- -*Tips: in order to confirm the detailed installation dimensions, please refer to our detail image, which shows specific internal dimensions of the product. (Allowable Error: ±2mm)，Thickness: 0.12in/3mm
【Contents & Service】 1x Junction Box ; 1x Rubber grommet for cover; 4x Screws. If you have any questions about the plastic project box for electronics you received, please feel free to contact us and we will solve the problem for you.

Rank No. #7

Tavonuxt Waterproof Round Junction Box (D3.1 x H2), Dustproof IP55 Rated Electrical Project Enclosure with 4 Cable Entries - Sturdy ABS Plastic, Easy to Operate and Repair - White, (D80 x H50 mm)

High-Quality Construction: Our junction box is made of impact-resistant and electrically-insulating ABS plastic material for maximum protection of your electrical equipment.
Certified Safety: CE RoHS compliant and IP55 waterproof rated, our plastic box is free of hazardous substances and sealed well with rustproof screws.
Versatile Application: Perfect for residential wiring, connecting electrical devices like light fixtures, switches, and outlets, and protecting and connecting electrical equipment for machines and motors.
Dimensions: D3.1" x H2" inches outer dimension with a usable interior space that is unobstructed by any internal components such as screw studs or dividers. Please refer to the picture for specific data. Plastic box thickness: 0.1 inches/2.5mm.
Package Contents: 1 x plastic junction box, built-in rubber grommet, 4 x self-tapping screws for box mounting, 4 x expansion bolt.

Rank No. #8

LeMotech Project Box 5 Pieces ABS Plastic Electrical Project Case Small Junction Box for Electronics White 2.36 x 1.42 x 0.67 inch (60 x 36 x 17 mm)

[ Size Info ] External Size: 2.36x 1.41 x 0.66in/ 60x36x17mm ; Inner Size: 2.17x 1.22x 0.47in/ 55x31x12mm (L*W*H)- - (Allowable Error: 2mm)
[ Sturdy Material ] Mini project boxes are made of high quality ABS plastic which is durable, practical and easy to drill without cracking and installation.
[ Compact Design ] Small size but solid construction make it ideal as hobby box and sort kinds of electrical components for your DIY project.
[ Practical Box ] Electronics box is suitable for various scenarios such as esp32 case, esp8266 case, pcb board, power accessories and portable projects etc.
[ Package Content ] 5 x project boxes

SaleRank No. #9

Legrand - Wiremold Circular Box, On-Wall Circular Box to Use as Wiremold Electric Box, White Wiremold Circular Outlet, Wiremold Round Box, 1 Pack, NMW4

Wiremold - The Brand Pro's Trust. Included - 1 Legrand - Wiremold circular box, white Wiremold circular outlet box
Cable Management - This on-wall circular box is ideal for extending circuits or communication cabling for small surface nonmetallic raceway systems, allowing you to add fixtures and outlets without disturbing the drywall, plaster, or insulation
Easy to Install - This Wiremold electric box is easier to install than traditional metal raceways, making it the perfect solution for do-it-yourself installation in any home offices or rec rooms that need more power and communications
Enhanced Design and Style - The Wiremold round box has a generous fill capacity, yet a low profile capacity that leaves plenty of room for wires as the attractive, cost-effective, and easy way to bring cables and wires where they are needed
Wiremold Quality - Wiremold products work together seamlessly to save installation time, while providing enhanced flexibility and productivity in environments ranging from residential dwellings to educational institutions and healthcare facilities

Rank No. #10

Otdorpatio Project Box ABS Plastic Black Electrical Boxes IP65 Waterproof DIY Electronic Junction Box Power Enclosure 7.87 x4.72 x2.95 inch (200x120x75 mm)

【Size】- Outer size of the project box: 7.87"x 4.72"x2.95"(200 x 120 x75 mm); Inner size of the project box:7.59" x4.4" x 2.67" (192 x112 x68mm)
【Superior Electrical Safety】– IP65 Rated Indoor & Outdoor Waterproof Junction Box protect against dust, corrosion and splashing water, helps keep all your home electrical equipment Clean & Dry.
【Superior Durable】- Made of high-quality ABS material that offers outstanding impact resistant and electrical insulation, Moisture-proof, sunscreen, anti-corrosion, durable for years use. can keep your equipment well-protected in harsh environments.
【Easy for DIY】- This sturdy junction box can be drilled and shaped easily without cracking, so it’s also suitable for your various DIY projects.
【Wild Application】Widely used for electronic projects, instrument enclosure, power supply units, temperature controller box, etc.****Package Content : 1xWaterproof Junction Box****

Last update on 2025-11-08 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Round Project Box?

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We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Round Project Box that you consider buying. Your questions might include the following:

Is it worth buying an Round Project Box?
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Potential sources can include buying guides for Round Project Box, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Round Project Box. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Round Project Box buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Round Project Box currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Round Project Box has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Round Project Box?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Round Project Box.
Customer Ratings: Number ratings grade Round Project Box objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Round Project Box.
Product Quality: You don’t always get what you pay for with an Round Project Box, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Round Project Box is should be an indication of how long it will work out for you.

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FAQ:

Q: Where can I buy a box for my electronics project?

A: Project Boxes All Electronics has a great selection of Hammond ABS plastic and metal enclosures for your electronics projects as well as a large variety of other boxes. We have cabinets with mounting flanges, small enclosures for portable devices, aluminum boxes for musical instrument effects, weather-proof outdoor enclosures.

Q: What type of junction box should you choose for your application?

A: Junction boxes are a versatile choice for your electronics or electrical application. Handheld enclosures are available in a variety of styles, perfect for remote control application. Aluminum enclosures provide excellent durability, temperature tolerance and corrosion resistance.

Q: What are the dimensions of a black ABS project box?

A: Black ABS plastic project box, 3.56″ x 1.5″ x 1.2.” Mounting ears with holes on 3.9″ centers. Bottom snap-fits tightly into… Hammond Manufacturing 1551KBK. Black ABS plastic with interlocking lid. Integral standoffs for pc board mounting.

Q: What are the dimensions of the Hammond 1411hu project box?

A: • Black ABS plastic project enclosure • Interlocking lid secured with self-tapping screws • Interior slots for… Outside dimensions 1.99″ x 1.99″ x 1.23″. Diecast aluminum enclosure. Lid is fastened with countersunk machine screws into… Hammond Manufacturing# 1411HU. 102 x 56 x 56mm aluminum box. Four self-tapping screws included….