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💼 Secure your outdoor connections like a pro—weatherproof, durable, and ready for anything!
The Helunsi IP68 Waterproof External Junction Box is a robust, weatherproof solution designed for outdoor electrical connections. Featuring an IP68 rating, it offers superior protection against water, dust, and UV exposure. Constructed from high-quality PC plastic with a silicone gasket, it resists corrosion and extreme temperatures. This 2-way junction box supports cables from 5mm to 15mm, handles up to 450V and 24A, and includes screw terminal connectors and mounting hardware for easy installation. Ideal for outdoor lighting, irrigation, solar equipment, and more, it ensures reliable, long-lasting protection for your electrical wiring.














| ASIN | B07TFSLLBY |
| Best Sellers Rank | #55,075 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #137 in Electrical Boxes |
| Brand | Helunsi |
| Brand Name | Helunsi |
| Color | Black-1pcs |
| Customer Reviews | 4.4 out of 5 stars 874 Reviews |
| Finish Type | PC housing |
| Included Components | 1 x electrical junction box |
| Installation Type | Screw-In |
| Item Dimensions D x W x H | 1.18"D x 2.72"W x 4.9"H |
| Item Highlight | 1 Pack Underground Wiring Coaxial Cable Connector, Wire Range 5 to 15mm Electrical Power Cord Weatherproof Boxes - Black |
| Manufacturer | Helunsi |
| Material | Plastic |
| Model Number | outdoor junction box |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | AST003 |
| Product Dimensions | 1.18"D x 2.72"W x 4.9"H |
| Specification Met | Ip68 |
| Style | waterproof ip68 external junction box |
| Unit Count | 1 Count |
A**R
Waterproof IP68 External Junction Box
This Waterproof IP68 External Junction Box (2-way, for 5-15mm cables, black) worked perfectly for me to fix a poorly made audio cable connection. It completely solved my problem with the pool audio. Pros: * IP68 Waterproofing: Absolutely essential for outdoor use and in damp environments like by the pool. It ensures the connections are protected from water and dust, which is crucial for both durability and safety. * Ease of Use: Installation was simple and straightforward. I was easily able to house the problematic audio connection inside the box, ensuring a secure isolation. * Effective Problem Solver: The box delivered exactly what it promised, effectively resolving the audio interruption I was experiencing due to an exposed and poorly made connection. My pool audio is now working flawlessly. * Robust Construction: The box appears to be made from a strong and durable material, which inspires confidence in its longevity, even under adverse weather conditions. * Versatility: The wire range (5 to 15mm) is quite flexible, allowing for use with a variety of cables, which is a plus for different applications. Conclusion: For anyone looking for an effective and durable solution to protect electrical or audio connections in outdoor environments, especially in damp or weather-exposed locations, the IP68 Waterproof External Junction Box is an excellent choice. In my case, it completely resolved my pool audio issue, and I highly recommend it.
J**N
Quality
Idem as discribed fast shipping
J**.
Great product
Perfect for what I needed, fit my dual relay inside it perfectly and keeps the wires safe and tight and tucked away from any unwanted movement.
M**.
Extras are nice, slight issue with quality of material
This product proved unusable to me for the simple fact that the ports were 15mm and I needed to push a 19mm connection through. I cannot blame them for that, 1: they do provide a splicing port (I do not wish to cut my connectors off and splice) 2: I could have confirmed the size of the port vs connector beforehand Hopefully this review will help someone by encouraging them to double check the size of their wire+connector before ordering. However, I am going to remove a star because of the terrible screws and design for sealing the lid. The small screws are cheap metal and wallow out easily, and the hole intended to screw them into is too narrow, requiring significant force to screw them down tight (even pushing down hard, the screw heads wallow). This can be solved by using your own screws. I do appreciate the extra rubber gaskets they provided for potential different gauge wire, that was a nice touch!!
L**T
Good design
Been using these for almost a year now for some solar panel wire junctions. No issues so far thru the winter and spring rains. I would recommend for outdoor use.
S**7
So easy to use
This little box is great and much easier to use than I expected. I initially didn't plan on using the included terminal but once I saw how clean it kept all of my wiring it was a done deal. The waterproof rings were a little tough to change out but knowing they are supposed to keep the inside of the box dry made it worth the effort.
A**R
Don’t use it for under water.
It didn’t seal very well for under water use.
M**U
good quality box
works very well my husband accidentally cut a Y electrical connector for garden lights, we look for a Y connector replacement but we couldn’t find any. this helped to fix the connector, its water proof very solid we below it’s going to last long time
A**A
Mejor de lo que esperaba
Muy buena calidad
C**Y
Good product. Would recommend and buy again. But please include a #1 Phillips screwdriver.
I had no problems with this product. Other reviews commented about the screws stripping. They are #4 size screws, so I used a small Phillips #1 bit and got them fully inserted without stripping. I was also a bit nervous that my 12/4 underground speaker wire (19mm) wouldn't fit, but the largest ring was snug but easy to slip over the outer jacket. 4 connections with wire nuts would have been tight, but it worked great with heat shrink tubing. The supplied flat head screwdriver is wasteful since the screws are Phillips head. Supplying a #1 Phillips head screwdriver would be a better idea. Would recommend and purchase again.
J**L
BIEN
CUMPLE CON SU FUNCIÓN
J**E
Perfect for my project.
Good quality
B**K
Waterproof feature will work
Appears to work well for waterproofing however the container is very small and hard toanipulate cords within box
Trustpilot
5 days ago
2 months ago