IP66 Waterproof 2-Port Outdoor Junction Box – 240V, 17.5A

Keep your outdoor electrical connections safe, dry, and secure with this heavy-duty IP66-rated Waterproof Junction Box. Built from durable polycarbonate (PC) and fitted with a high-quality silicone sealing ring, this compact 2-port cable connector is engineered for reliable performance in all weather conditions — rain, dust, humidity, and beyond. Perfect for connecting outdoor lamps, garden lanterns, pathway lights, and more.

Key Features

IP66 Waterproof Rating: Premium silicone sealing ring provides superior watertight and dustproof protection — suitable for exposed outdoor environments.
Adjustable Waterproof Cable Glands: Accommodates a range of wire diameters for a firm, secure connection that won't loosen over time.
High-Voltage Rated: Supports up to 240–450V and a maximum current of 17.5A, making it compatible with standard mains-voltage outdoor lighting circuits.
2-Port Design: Dual cable entry ports allow clean, straightforward wiring for outdoor fixtures — no specialist tools required.
Compact & Discreet: Sleek black finish blends seamlessly with outdoor installations. Outer dimensions: 71.5 × 35 × 23 mm; Inner dimensions: 47 × 28 × 18 mm.
Durable PC Material: Impact-resistant polycarbonate construction withstands UV exposure and the rigours of year-round outdoor use.
Easy to Install: Simple, tool-friendly design makes wiring quick and hassle-free for both DIY enthusiasts and professional electricians.

Specifications

Material	Polycarbonate (PC)
Color	Black
Ports	2-Way
Protection Level	IP66
Max Voltage	240–450V
Max Current	17.5A
Outer Dimensions	71.5 × 35 × 23 mm
Inner Dimensions	47 × 28 × 18 mm

Package Contents

1 × IP66 Waterproof 2-Port Junction Box

Made in Mainland China.

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For guidance on safe outdoor electrical installations, refer to the U.S. Consumer Product Safety Commission – Electrical Safety Resources.

Learn more: Junction box

Frequently Asked Questions

Q: What is the IP66 rating and does it make this junction box fully weatherproof?

A: IP66 is an international ingress protection standard meaning the junction box is completely dustproof and protected against powerful water jets from any direction. This makes it highly suitable for permanent outdoor installations exposed to rain and harsh weather conditions.

Q: What wire sizes can this 2-port outdoor junction box accommodate?

A: The adjustable waterproof cable glands are designed to fit a range of wire diameters. Simply tighten the gland nut around your cable to achieve a secure, weatherproof seal — no special tools required.

Q: Can I use this junction box for mains voltage outdoor lighting?

A: Yes. This junction box supports a maximum voltage of 240–450V and a maximum current of 17.5A, making it fully compatible with standard mains-voltage outdoor lamp and lantern circuits.

Q: Is this junction box suitable for permanent outdoor installation?

A: Absolutely. The durable polycarbonate body, IP66 rating, and high-quality silicone sealing ring make this box built for long-term outdoor use in gardens, driveways, pathways, and building exteriors.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

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