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Best junction boxes - April 2025

Last Updated - 03/04/2025

1
Best Choice

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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.

Knightsbridge

Knightsbridge JB0010BK Extra Large IP66 Weatherproof Enclosure in Black

Knightsbridge

£18.99

More Details
Main highlights
- Perfect for outdoor wiring solutions
- Multiple 20 mm cable entry points. Wall mountable
- Made from robust, impact resistant polycarbonate
- IP66 Rated, Suitable for any British weather
- Founded in Dunstable, Bedfordshire in 1998, Knightsbridge has since established itself as one of the UK's leading importers and distributors of lighting products and electrical wiring accessories. We pride ourselves on providing quality in everything we do — from our ever-growing competitive product ranges to the incredible quality of our service. All products are tested and certified for use in the UK, complying with the current UK wiring regulations. A member of Lighting Industry Association, LIA
- 230V Extra Large Weatherproof Enclosure in Black. Ideal for outdoor electrical connections
£18.99
2

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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.

AVARTEK

Pack of 4 Black IP65 Junction Box, ABS Plastic Outdoor External Electrical Enclosure Box, Universal Weatherproof Surface Mounted CCTV Junction Boxes (100x100x70mm) – AVARTEK (Black)

AVARTEK

£14.95

More Details
Main highlights
£14.95
3
23% 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.

ArmaKit
23% Off

IP66 External/Outdoor Waterproof Junction Box (86x86x50mm)

ArmaKit

£7.25

£9.50
(23% Off)

More Details
Main highlights
- Supplied with mounting plate.
- Quick-release locking screws make for quick and easy installation and inspection. 100% Corrosion Proof.
- Premium quality UV Proof, Shatter Proof, and Fire Resistant construction means it's suitable for indoor and outdoor installation under driving rain and harsh sunlight.
- External Dimensions: 86 x 86 x 50mm
- 8x M20 Entries | Fitted with flexible waterproof membrane... Just push your cable through! Each entry is also threaded to accept an M20 cable gland.
£7.25
£9.50 (23% Off)
4
Best Value
24% 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.

WELHAEPI
24% Off

IP68 Waterproof Junction Box, 3-Way Y-Type PA9 Outdoor Electrical Junction Box, Electrical Enclosure, Gland External Cable Connector Wire Connector for Ø 4mm -15mm Diameter Cable - Black

WELHAEPI

£6.78

£8.99
(24% Off)

More Details
Main highlights
- 【Wide Applications】Suitable for electrical installations, cabling, or for cable repairs outdoors and indoors, such as the wall, garden, yard, street, swimming pool, and etc. Also widely used in underwater and underground engineering, and various industrial areas.
- 【What You Will Get】Equipped with stainless steel screws, wiring terminal. And equipped with different seals for different cable diameters. Small size 4-9mm, medium size 9-12mm, large size 12-15mm.
- 【Premium Material】The waterproof electrical box outdoor is made of outstanding polycarbonate(PC) flame-retardant materials with smooth edges, which have the advantages of anti-heat, anti-shock, dustproof, and durable for long time use.
- 【IP68 Waterproof & Dustproof】The 3 way junction box has good sealing performance, which can effectively prevent dust and water vapor from the outside, even in severe rainy weather, the internal components remain dry.
- 【Easy to Install】With the right size sealing rubber ring, the electric junction box can be completely sealed and protect from water, for easy installation and preventing from shorting.
£6.78
£8.99 (24% Off)
5

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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.

lzijun

4PCS Waterproof Junction Boxes, Black IP68 3-Way Cable Connectors, Ø5.5mm-10.2mm Outdoor Lighting Cable Junction Box

lzijun

£9.88

More Details
Main highlights
- Scope of application: a wide range of applications, outdoor cable connection can be used, such as LED billboards, tunnel lights, road landscape lights, outdoor display, courtyard lights, etc
- Preferred material: IP68 waterproof material, can play a good role in moisture and dust resistance, and is very solid and durable
- Main function: mainly used for outdoor lighting connection, 3-way design makes waterproof electrical boxes outdoor more convenient
- Exquisite design: 3-way design, level 2 or level 3 cable connection can be applied, more flexibility
- Easy to install: the installation is very convenient, you can install without cable cutting
£9.88

Best junction boxes - April 2025

Knightsbridge JB0010BK Extra Large IP66 Weatherproof Enclosure in Black

Pack of 4 Black IP65 Junction Box, ABS Plastic Outdoor External Electrical Enclosure Box, Universal Weatherproof Surface Mounted CCTV Junction Boxes (100x100x70mm) – AVARTEK (Black)

IP66 External/Outdoor Waterproof Junction Box (86x86x50mm)

IP68 Waterproof Junction Box, 3-Way Y-Type PA9 Outdoor Electrical Junction Box, Electrical Enclosure, Gland External Cable Connector Wire Connector for Ø 4mm -15mm Diameter Cable - Black

4PCS Waterproof Junction Boxes, Black IP68 3-Way Cable Connectors, Ø5.5mm-10.2mm Outdoor Lighting Cable Junction Box

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