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Helunsi Waterproof IP68 External Junction Box, 2 Way Outdoor Junction Box, Underground Plug Line Coaxial Cable Connector Wire Range 5 to 15mm Electrical Power Cord Weatherproof Junction Boxes - Black

Free shipping on orders over $29.99

$8.99

$ 4 .99 $4.99

In Stock

1.Color:Black-2pcs


About this item

  • IP68 Waterproof >>> The Helunsi outdoor junction box is of IP68 high-level waterproof class, weatherproof, moisture-proof, dust-proof and anti-UV, making it safe to use in the sun, wet environment, rainy or snowy days, provides total protection for your junction cables.
  • High-Quality Materials >>> 2 way junction box has good waterproof performance, with high quality plastic PC housing and waterproof silicone seal, which will not crack or fade in harsh environment, corrosion and high temperature resistant, durable for years use.
  • Specification >>> Pack of 1. Internal dimensions: L 2.83 x W 1.89 x H 1.26inch. External dimensions: L 5.31 x W 2.72 x H 1.38inch. One input and one output, conduit cable gland is equipped with 3 sets of silicone seals of different thicknesses, applicable cable size range: imperial units 3/16" to 11/32", 11/32" to 15/32", 15/32" to 19/32" (Metric units 5-9mm/9-12mm/12-15mm). Comes with 3 screw terminal connector and mounting kit. Maximum voltage: AC 450V. Maximum current: 24A.
  • Easy to Install >>> It can be installed under the ground or on the wall, horizontally or vertically as indoor or outdoor junction box, tightening the exterior screws with a screwdriver for a complete seal. Design for detachable box and cover, the waterproof silicone layer is precise and tight, by rotating and tightening the cable gland nut at both ends can lock and seal the cable.
  • Wide Usage >>> Our Helunsi junction box can protect the connections of outdoor electrical appliances and wiring, which is suitable for external lighting facilities requiring waterproof or weatherproof protection, street lights, irrigation machine, solar equipment, outdoor LED display, garden lights, outdoor flood lights, landscape lights, underground electrical and more.



Product Description

1
2

3
3 Sets of Silicone Seals of Different Thicknesses

Imperial Units: 3/16 to 11/32inch, 11/32 to 15/32inch, 15/32 to 19/32inch

Metric Units: 5 - 9mm, 9 - 12mm, 12 - 15mm

  • Package Including:
  • 1 x Waterproof Junction Box
  • 1 x Installation kit
  • 1 x User Manual

Helunsi 2 Way Electrical Junction Box

Product Specifcations

Material: Plastic

Color: Black

Junction Box: 2 Way

Maximum Voltage: 450V

Maximum Current: 24A

Waterproof level: IP68

  • Internal dimensions: L 2.83 x W 1.89 x H 1.26inch. (72x48x32mm)
  • External dimensions: L 5.31 x W 2.72 x H 1.38inch. (135x69x35mm)
4

Multi-functional waterproof junction box

The outdoor junction box is IP68 advanced waterproof grade, which is not only weatherproof, moisture-proof, but also dustproof and UV-proof.

5

With IP68 protection rating level, it can be installed horizontally or vertically as external junction box to make the connection more convenient, and no tools, no welding or cable cutting required, simplely connect the same type of wire together, more convenient and safer.

6

Suitable for cables of various diameters, choose the sealing silicone ring according to your needs. As an indoor and outdoor external junction box, it is often used for electrical equipment that requires waterproof wiring.

7

This junction box is ideal for protecting the connections of outside power sources, such as LED equipment, solar energy equipment, external wiring, factory automation control, LED billboards, automatic irrigation machine, landscape lights and so on.

8

Warning:

The power must be turned off before installation to prevent electric shock.

If you lack electrical knowledge, it is recommended to hire a professional electrician to do the installation.


Don
Reviewed in the United States on March 3, 2025
It was a little hard to work with but I like the features of the box
Jack T.
Reviewed in the United States on March 3, 2025
would not fit my wire
William L.
Reviewed in the United States on March 19, 2025
Worked very well to splice an outdoor power cable for a septic system lift pump. The box is left above ground under a fake rock, so I have not tested the weatherproofing as well as some other applications might.
Ricky D.
Reviewed in Canada on August 21, 2024
I got product delivery next day, on the picture looks bigger it’s small but work good for me.
AJ84
Reviewed in the United States on July 11, 2024
I needed to cut and re-route speaker wire to a deck, there was almost no slack in the wire. This box allowed me to do a perfect in-line splice and box seems very well constructed and should protect well against the elements.
Nathalie Fortier
Reviewed in Canada on June 11, 2024
Pas installé encore, mais ma l'air vraiment correct
S. B. Droz
Reviewed in the United States on May 8, 2024
Had to repair Internet line to house, was cut during digging session. Worked great and is very well made.
Craig Baldry
Reviewed in Canada on May 16, 2024
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.
Average Bear
Reviewed in the United States on April 15, 2024
Used this to replace my pool light without pulling a new cable so it will be submerged forever. I soldered the connections and then filled the box with a pourable silicone. Normally you have to pull the old cable (mine is 100ft) out but after 20 years it is almost impossible to break it loose and pull the new one through. The best price I found was $250 for the labor.Way easier and cheaper to use this j-box but if it fails it'll ruin a $500 light. Works great so far but just installed April 2024. I'll update this if there is any problem.
MICHEL BELANGER
Reviewed in Canada on September 22, 2023
Great compact junction box. I loved it.The only fault is that the (Philps) (star shape) screw heads strip when you tighten them down. The screws supplied for the jonction box cover are super cheap. I replaced them.
Michael G Jordan
Reviewed in the United States on August 18, 2023
I needed a waterproof junction box to use in conjunction with a sprinkler control line repair. The junction box was perfect for my needs. I was impressed with the seals and overall quality of the junction box until I came to screwing the lid on the box. The manufacturer included the cheapest screws I've ever seen. One of the screws lacked slots in the head and was useless! My recommendation to the manufacturer is to get rid of the cheap screwdriver included and spend the money on higher-quality screws.
AZazel
Reviewed in the United States on June 11, 2023
Pretty much a no brainer on how to setup and use this item.My only 2 cons would be that it is a chore to get a larger style cable (power cord) thru the sealing rings and into the box and I wish that were or was another mounting method.
Javier L
Reviewed in Mexico on July 10, 2020
CUMPLE CON SU FUNCIÓN
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