Top 10 Best plastic project box in 2026

Last Updated - 6/9/2026

🏆Best Choice

Otdorpatio

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)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【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****

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$9.99

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Zulkit

Junction Box, Zulkit Project Box IP65 Waterproof Outdoor Box ABS Plastic Electrical Boxes Electronic Enclosure Black 3.94 x 2.68 x 1.97 inch (100X68X50mm) (Pack of 2)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•IP65 Waterproof: The project box is IP65 Waterproof certificated, can protect against dust, corrosion and splashing water, ensure electrical components dry and effective in harsh environments.
•Outer Size of electronic project box: 3.94" x 2.68" x 1.97"(100X68X50mm)(L*W*H); Inner Size of electronic enclosure: 3.7" x 2.4" x 1.7"(93X61X44mm)(L*W*H)- - (Allowable Error: ±2mm)
•High Quality Material: Made of ABS material, Sturdy and terrific for making those DIY projects. Easy to drill and shape openings for many items like meters, LCDs, sockets, LEDs, buttons and so on.
•IP65 Waterproof & Dustproof Rating: Solid construction and IP65 waterproof & dustproof rating to protect against dust, corrosion and splashing water, durable for years use
•Package Content: 2 x Junction Boxes, Ideal for electronic projects, Arduino enclosure, power supply units, temperature controller box, etc.

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$8.49

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LeMotech

LeMotech Project Box ABS Plastic Junction Box IP65 Waterproof Electrical Boxes Universal Enclosure Black 6.2X 3.5X 2.4 inch (158x90x60mm)（Pack of 1）

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•IP65 Waterproof: LeMotech project box is designed to provide protection against moisture, water, and dust.Equipped with rubber grommet sealing tightly to ensure electrical components dry and effective in wet or harsh environments.
•High-quality Material: ABS plastic junction boxes are able to withstand impact, heat, and various weather conditions. Lightweight and durability make them easy to drill, modify and serve for long time.
•Versatile Enclosure: These electrical boxes are well-suited for indoor and outdoor LED displays, control panels, solar power systems,surveillance cameras, security systems etc. Also a convenient solution for DIY projects and hobbyists.
•Outer Size: 6.2 x 3.5 x 2.4inch(158 x 90 x 60mm);Inner Size: 5.9 x 3.3 x 2.1inch(150 x 83 x 53mm)- - *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
•Package Content: 1 x Junction Box, 1 x Rubber Grommet ,4 x Metal Screws

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$7.29

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Otdorpatio

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)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【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****

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$8.69

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LeMotech

LeMotech Project Box, 5 Pieces ABS Electrical Box Small Junction Box for Electronics PCB Case,Electronic Hobby Box Black, Outside Size 2.8 x 1.7 x 0.9 inch (72x 42x 23 mm)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Product name: junction box, project box
•Material: ABS ,which is durable and practical；Main Color: Black
•Solid construction and buckle design to protect against dust. No screws makes it more convenience to use
•External Size of the project box :2.8" x 1.7" x 0.9"(72x42x23mm)(L*W*H); Internal Size of the project box : 2.60" x 1.46" x 0.67"(66x37x17mm)(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)
•Package Content: 5 x Junction Box

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$7.99

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Storex

Storex Classroom Craft Project Box – Stacking Plastic Organizer Fits 12x12 Scrapbooking Paper, Assorted STEAM Colors, 5-Pack (63202C05C)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Accommodates 12x12 scrapbooking paper
•Locking clasp keeps contents secure
•Integrated handles for easy carrying
•Keeps school or craft projects organized
•Transparent so you can view the contents

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$41.11

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Fulushouxi

Project Box, 4pcs Junction Boxes, IP65 Waterproof Electrical Boxes, ABS Plastic Dustproof Electrical Project Case Power Junction Boxes with Fixed Ear for Outdoor Electronics - 3.3x2.3x1.37

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•💖【Exquisite Material】: The project box is made of high-quality ABS material, not easy to break, not easy to corrode, rust-proof, sturdy, waterproof and dustproof, durable and can maintain good performance in harsh environments
•💖【IP65 Waterproof Rating】: The waterproof box has an IP65 waterproof rating and has excellent waterproof and dustproof performance. It is suitable for dry and humid environments, protecting your equipment from harsh environments and ensuring electricity safety
•💖【Detailed Size】: The outer sizes are 84x59x35mm/3.3x2.3x1.37 inches (LxWxH), and the inner size are 74x49x27.4mm/2.9x1.9x1.07 inches (LxWxH). For detailed size, please refer to the pictures, which show the exact internal size of the product. (Allowable error: ±2mm)
•💖【Practical Design】: The waterproof electrical box outdoor is designed with fixed ear holes, which is convenient for placing equipment and installing. Provides a quick and easy way to repair and extend power cords. Suitable for indoor or outdoor use
•💖【Wide Range of Applications】: Suitable for electronic engineering, power supply units, temperature control boxes, junction boxes, instrument casings, electronic product casings, thermostats and other products, and also suitable for protection coils or power boards, transformers, sockets, etc

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$8.99

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Ogrmar

Ogrmar Plastic Dustproof IP65 Junction Box DIY Case Enclosure (8"x 6"x 4")

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Ingress Protection Rating: IP65;
•Material: Plastic;
•Package Content: 1 x Junction Box, Some Screws; Main Color: Gray
•Product Name: Junction Box; Outer Size: 200 x 150 x 100mm/8" x 6" x 4"(L*W*H)
•Inner Size(Approx.): 190 x 130 x 94mm/7.6" x 5.2" x 3.7"(L*W*H); Screw Thread Dia.: 10mm/0.4"

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$14.99

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Raculety

Raculety Project Box IP65 Waterproof Junction Box ABS Plastic Black Electrical Boxes DIY Electronic Project Case Power Enclosure 6.22x3.54x2.36 inch (158 x 90 x60 mm)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•【Size】- Outer size of the project box: 6.22"x3.54"x2.36"(158 x 90 x60 mm); Inner size of the project box:5.94" x3.27" x 2.17" (151 x83 x55mm)
•【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】- 1 x Black junction box, 4 x stainless steel screws, 1x sealing gasket

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$7.49

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Raculety

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)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•【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

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$8.99

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