---
product_id: 619482164
title: "Helunsi 2 Pieces 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 Boxes - Black"
brand: "helunsi"
price: "€ 79.68"
currency: EUR
in_stock: true
category: "Helunsi"
url: https://www.desertcart.pt/products/619482164-helunsi-2-pieces-waterproof-ip68-external-junction-box-2-way
store_origin: PT
region: Portugal
---

# Supports up to 450V & 24A IP68 Waterproof rating Tool-free, easy installation Helunsi 2 Pieces 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 Boxes - Black

**Brand:** helunsi
**Price:** € 79.68
**Availability:** ✅ In Stock

## Summary

> 💼 Power up your outdoor projects with weatherproof confidence!

## Quick Answers

- **What is this?** Helunsi 2 Pieces 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 Boxes - Black by helunsi
- **How much does it cost?** € 79.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/619482164-helunsi-2-pieces-waterproof-ip68-external-junction-box-2-way)

## Best For

- helunsi enthusiasts

## Why This Product

- Trusted helunsi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** High-grade PC plastic housing with silicone gasket resists corrosion, cracking, and fading under harsh conditions.
- • **Wide Compatibility:** Accommodates cables from 5mm to 15mm diameter, ideal for lighting, irrigation, solar, and more.
- • **Plug & Play Convenience:** No welding or cable cutting needed—connect wires effortlessly and securely in minutes.
- • **Versatile Mounting Options:** Install horizontally or vertically, underground or on walls—perfect for any outdoor electrical setup.
- • **Ultimate Weatherproof Shield:** IP68 rating guarantees dust, moisture, and UV resistance for all-season outdoor reliability.

## Overview

The Helunsi 2 Pieces Waterproof IP68 External Junction Box offers robust protection for outdoor electrical connections with a high-level waterproof rating, durable PC plastic housing, and versatile installation options. Designed for cables ranging 5-15mm, it supports up to 450V and 24A, making it perfect for outdoor lighting, irrigation, solar setups, and more. Easy to install without welding or cable cutting, it ensures secure, long-lasting connections in any weather.

## Description

Helunsi 2 Way Junction Box IP68 Waterproof, it can be installed horizontal and vertical as external junction box to makes the connection more convenient, no tools required, no welding required, only need to connect the same type of wire together, no cable cutting, more convenient and safer. Junction box is good for the place where to need waterproof wiring, such as: LED billboards, tunnel lights, road landscape lighting, outdoor display, garden lights and so on. Product Specifcations Material: Plastic Color: Black Junction Box: 2 Way Junction Box 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) Available Wire Diameter: 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 Content 2 x Waterproof Junction Box 1 x Screwdriver Note: Please allow minor errors due to manual measurement. Thanks for your understanding. Monitors are not calibrated the same, which means the item colour displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

## Features

- IP68 Waterproof >>> The Helunsi outdoor junction box boasts an IP68 high-level waterproof rating, delivering superior weatherproof, moisture-proof, dust-proof, and anti-UV performance. As a reliable outdoor junction box, it is safe for use in direct sunlight, wet environments, rain, or snow, providing full protection for your connected cables.
- High-Quality Materials >>> This waterproof electrical junction box features excellent sealing performance with a high-quality PC plastic housing and a waterproof silicone gasket. It will not crack or fade in harsh environments. Highly corrosion- and high-temperature-resistant, this durable electrical junction box is built for years of reliable use.
- Specification >>> Pack of 2. Internal dimensions: L 2.83 x W 1.89 x H 1.26 in. External dimensions: L 5.31 x W 2.72 x H 1.38 in. This 2-way junction box features one input and one output. The conduit cable gland includes 3 sets of silicone seals of different thicknesses, with an applicable cable size range of: 3/16" to 11/32", 11/32" to 15/32", 15/32" to 19/32" (5-9mm / 9-12mm / 12-15mm). Comes with 3 screw terminal connectors and a mounting kit. Maximum voltage: AC 450V. Maximum current: 24A.
- Easy to Install >>> This underground electrical junction box can be installed underground or on the wall, horizontally or vertically, serving as both an indoor and outdoor junction box. Tighten the exterior screws with a screwdriver to achieve a complete seal. It comes with a detachable cover, and the waterproof silicone gasket ensures a precise fit. By rotating and tightening the cable gland nuts at both ends, you can securely lock and seal the cables in this waterproof cable box.
- Wide Applications >>> Our Helunsi IP68 waterproof external junction box will protect connections for outdoor electrical appliances and wiring. It is suitable for external lighting facilities requiring weatherproof protection, such as street lights, irrigation systems, solar equipment, outdoor LED displays, garden lights, flood lights, landscape lights, pool light wiring assemblies, underground junction box wiring, and more.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07TGHYQF4 |
| Best Sellers Rank | #182,683 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #459 in Surface Mounted Junction Boxes #482 in Electrical Boxes, Conduit & Fittings |
| Brand Name | Helunsi |
| Colour | Black-2pcs |
| Customer Reviews | 4.4 4.4 out of 5 stars (828) |
| Finish Type | PC housing |
| Global Trade Identification Number | 08414741210536 |
| Included Components | 2 x electrical junction box |
| Installation Type | Screw-In |
| Item Dimensions D x W x H | 3.2D x 6.9W x 3.2H Centimeters |
| Item Weight | 0.3 Kilograms |
| Manufacturer | AOSTON |
| Material Type | Plastic |
| Model Number | M686-2 |
| Number of Items | 2 |
| Part Number | AST003--2pcs |
| Specification Met | IP68 |
| Style Name | Modern |
| Unit Count | 2 Count |

## Product Details

- **Brand:** Helunsi
- **Colour:** Black-2pcs
- **Material:** Plastic
- **Product Dimensions:** 3.2D x 6.9W x 3.2H Centimeters
- **Style:** Modern

## Images

![Helunsi 2 Pieces 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 Boxes - Black - Image 1](https://m.media-amazon.com/images/I/61iT9PHVtIL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: What are the approximate internal dimensions of the box?**
A: Dear buyer, the internal size of this box is probably (length: 2.75in wide: 1.96in high: 0.98in), I hope this answer can help you.

**Q: Could i use this box to enclose a small electric fence charger**
A: I've never seen an electric fence charger small enough to fit in this box. I have property with a number of pastures and we use portable electric fences from time to time but the smallest of these chargers are far too large. You couldn't fit a deck of cards into this box. However, there are plenty of larger water-proof enclosures around and there are portable fence chargers that are waterproof.

**Q: What are the product exterior dimensions? not the "package" dimensions. please specify in lxwxh. thanks!**
A: Dear customer
Hello, thank you for your question. 
The internal dimensions of our waterproof box: L = 71mm / 2.8in; W = 49mm / 1.9in; H = 30mm / 1.18in, the external dimensions L = 125mm / 4.9in; W = 69mm / 2.72in. For detailed product dimensions, please see our 8th picture.
Hope our answer can help you, thank you for coming.

**Q: What type plastic is it made of?**
A: Dear Customer, Helunsi waterproof external junction box are made of PC(Polycarbonate) plastic.

## Frequently Bought Together

- Helunsi 2 Pieces 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 Boxes - Black
- Helunsi 2 Pcs Waterproof Junction Box 3 Way, IP68 External Waterproof Electrical Junction Box, Black Underground Junction Box Outdoor Cable Connector, for Diameter 5mm -14mm Wire Gland (Larger)
- Junction Box Outdoor Waterproof IP68, 2Way M20, Electrical Boxes Extension Cord Repair kit Coaxial Underground Cable Connector 2PCS

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pt/products/619482164-helunsi-2-pieces-waterproof-ip68-external-junction-box-2-way](https://www.desertcart.pt/products/619482164-helunsi-2-pieces-waterproof-ip68-external-junction-box-2-way)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-19*