Advertising Disclosure

5 Best Junction Boxes of 2025

Last Updated - 2025/09/05

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Otdorpatio

Otdorpatio Junction Box, Hinged Cover Stainless Steel Latch IP67 Waterproof ABS Project Box with 2 Cable Glands, Electrical Box Enclosure with Mounting Plate & Wall Bracket 11 x 7.5 x 5.5inch

Otdorpatio

CA$52.99

More Details
Main highlights
- 【Super Durable】 Our junction boxes are made of high-quality ABS material which offers outstanding impact resistant and electrical insulation, keep your equipment well-protected in harsh environments
- 【Stainless Steel Lacthes】Our waterproof junction box uses stainless steel buckles, which are more solid and durable, easy to open and close, doesn't rust or broken.
- 【Money Saving Junction Box Sets】 The junction box includes a mounting plate, 4 stainless steel Wall Brackets, and 2 cable glands.The ABS project boxes can be drilled and shaped easily without cracking, so it’s almost suitable for your all DIY projects.
- 【IP67 Grade】High quality black rubber sealing gasket, IP 67 Waterproof grade, effectively block splashing water, rain, dust, snow, oil, UV, etc., can be widely used for both indoor and outdoor applications.
- 【EXTERNAL SIZE】11 x 7.5 x 5.5"/280x190x140mm (L*W*H)， for more size details, please refer to the dimension drawing. Allowable error=±2mm
CA$52.99
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Anpugaolao

Gray 12" x 12" x 4" PVC Plastic Junction Box with Pre Molded 3/4" & 1" Punch in Holes Waterproof Electrical Boxes Universal Project Junction Conduit Box for Electrical Outdoor Enclosure

Anpugaolao

CA$49.99

More Details
Main highlights
- [Widely Used] The junction box used outdoors can better protect wires and switches from short circuits caused by rainwater, prevent gray layer erosion, and prevent direct sunlight from accelerating product aging. It has a good protective effect on wires and switches; Used indoors, it can prevent mice from biting wires and avoid direct contact with humans.
- [Strong & Lightweight Polystyrene Plastic Junction Box] Our junction box is made of high-quality Polystyrene plastic, which is very lightweight, heat-resistant, wear-resistant, corrosion-resistant, not prone to fading, durable and sturdy, more environmentally friendly and recyclable.
- [Easy to Install] Our junction conduit box is pre made with punching holes in two sizes: 3/4 inch and 1 inch. You can easily press the punching mark as needed to obtain the corresponding connection holes. Equipped with 4 screws to secure the cover and bottom box together.
- [Dimensions] The width of the electrical boxes is 12 inches, the length is 12 inches, and the height is 4 inches.
- [Advanced Protective Effects] Our project plastic junction box has excellent waterproof, dustproof, UV resistant, and strong impact resistance; And they also have good fire resistance and electrical insulation performance.
CA$49.99
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Rack-A-Tiers

Rack-A-Tiers Open Splice Junction Box (Single), One-Piece Repair Box, 5 Second Installation, Electrical Wire Box (JB400)

Rack-A-Tiers

CA$24.24

More Details
Main highlights
- U.L. Listed in the U.S. and Canada
- Slots for wiring on four sides of the junction box.
- SOLID – The patent-pending one-piece design means fewer parts and pieces to manage. With the hinged lid that folds down to seal the wire splice, you no longer have to re-wire open splices to get them in the junction box.
- SIMPLE – The revolutionary 3-step install process makes taking care of this common code violation easy for electricians and DIYers alike and turns junction box installation into a quick job.
- SAFE – Developed through rigorous laboratory testing, this j-box (junction box) is built with fire-resistant polymer designed to meet U.S. (U.L. 514C) and Canada (CSA C22.2 # 182) safety codes. Safely enclosing open wire splices is your legal responsibility and this wire cover is the most effortless method.
- No need to disconnect the wiring.
- Made in the USA.
- 25.8 Cubic inches of volume.
CA$24.24
4
Best Value
13% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Otdorpatio
13% Off

Otdorpatio Junction Box, Hinged Cover IP67 Waterproof ABS Project Box with 2 NPT 1/2" Cable Gland, Electrical Box Enclosure with Mounting Plate & Wall Bracket 11.4 x 7.5 x 5.5inch(290x190x140mm)

Otdorpatio

CA$36.99

CA$42.99
(13% Off)

More Details
Main highlights
- 【Super Durable】 Our junction boxes are made of high-quality ABS material which offers outstanding impact resistant and electrical insulation, keep your equipment well-protected in harsh environments
- 【Money Saving Junction Box Sets】 The junction box includes a mounting plate, 4 stainless steel Wall Brackets, and 2 cable glands.The ABS project boxes can be drilled and shaped easily without cracking, so it’s almost suitable for your all DIY projects.
- 【IP67 Grade】High quality black rubber sealing gasket, IP 67 Waterproof grade, effectively block splashing water, rain, dust, snow, oil, UV, etc., can be widely used for both indoor and outdoor applications.
- 【Easy to open & close】Hinged Shelled cover, easy open and close, latches can keep a good watertight. Moisture proof, sunscreen, anti-corrosion, durable for years use.
- 【EXTERNAL SIZE】11.4 x 7.5 x 5.5inch/290x190x140mm,for more size details, please refer to the dimension drawing. Allowable error=±2mm
CA$36.99
CA$42.99 (13% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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)

Otdorpatio

CA$23.99

More Details
Main highlights
- 【Wild Application】Widely used for electronic projects, instrument enclosure, power supply units, temperature controller box, etc.****Package Content : 1xWaterproof Junction Box****
- 【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.
- 【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)
- 【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.
CA$23.99

5 Best Junction Boxes of 2025

Otdorpatio Junction Box, Hinged Cover Stainless Steel Latch IP67 Waterproof ABS Project Box with 2 Cable Glands, Electrical Box Enclosure with Mounting Plate & Wall Bracket 11 x 7.5 x 5.5inch

Gray 12" x 12" x 4" PVC Plastic Junction Box with Pre Molded 3/4" & 1" Punch in Holes Waterproof Electrical Boxes Universal Project Junction Conduit Box for Electrical Outdoor Enclosure

Rack-A-Tiers Open Splice Junction Box (Single), One-Piece Repair Box, 5 Second Installation, Electrical Wire Box (JB400)

Otdorpatio Junction Box, Hinged Cover IP67 Waterproof ABS Project Box with 2 NPT 1/2" Cable Gland, Electrical Box Enclosure with Mounting Plate & Wall Bracket 11.4 x 7.5 x 5.5inch(290x190x140mm)

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)

You may also like...

SJCCDSGS Junction Box - 8 x 8 x 4 inch IP66 Waterproof Dustproof ABS Plastic Electrical Box, Project Enclosure for Outdoor Electrical Applications (200 x 200 x 100 mm)

Joinfworld Outdoor Weather Proof Electrical Box Waterproof Junction Box Outdoor Nema 4 Enclosure Outdoor Weatherproof Plastic 8.7x6.7x4.3"

LeMotech ABS Plastic Dustproof Waterproof IP65 Junction Box Hinged Shell Universal Electrical Project Enclosure Gray, with PC Transparent Clear Cover 5.9 x 3.9 x 2.8inch(150 x100 x70mm)

2Pack Waterproof Junction Box,2 Way PG9 Underground IP66 Electrical Wire Connector Junction Box for Street Light Cable Connection

Zulkit Junction Box ABS Plastic Dustproof Waterproof IP65 Electrical Boxes Hinged Shell Outdoor Universal Project Enclosure with 2 Cable Glands 7.9 x 3.9 x 2.8 inch (200x100x70mm)

LeMotech Project Box Waterproof Dustproof Junction Box ABS Plastic Electrical Box Outdoor Electronic Enclosure Black 7.87 x 4.72 x 2.95 inch (200 x 120 x 75 mm)

LeMotech ABS Plastic Dustproof Waterproof IP65 Junction Box Universal Electrical Project Enclosure White 3.9" x 3.9" x 2.8"(100mmx100mmx70mm)

Zulkit Junction Box ABS Plastic Dustproof Waterproof IP65 Universal Electrical Boxes Project Enclosure with Fixed Ear Black 3.94 x 2.68 x 1.97 Inch (100 x 68 x 50 mm) (Pack of 2)

CheeMuii 7 Way Trailer Junction Box Weatherproof 7 Pin Trailer Wiring Box 7 Color-Coded Electric Wires Connection Box for RV Camper Trailer Light Rewiring

BAZZ UJNCTBX1 Universal Junction Box White

Sign up and get exclusive special deals