Your privacy settings

We and our 18 partners store and/or access information on a device, such as unique IDs in cookies to process personal data. You may accept or manage your choices by selecting accept or reject all, or at any time in the privacy policy page. These choices will be signalled to our partners and will not affect browsing data. Your choices will change how we tailor your shopping experience on our website.

To modify your consent choices, you can do so by clicking on Cookie settings in the footer.

We and our partners process data to

Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a device. Personalised advertising and content, advertising and content measurement, audience research and services development.

Skip to main content
Skip to search

Tesco Bank
Tesco Mobile
Delivery Saver
Store locator
Help

Sign in Register

Groceries & Essentials
My Favourites

Filters

Sort and filter

Sort by (Required)

Relevance

Price (Low to High)

Price (High to Low)

Filter by

New (2)

Back Boxes (24)
Junction Boxes (19)

Dencon (26)
Eagle (8)
Gewiss (3)
Accessotech (1)

Black (6)
Brown (1)
Green (2)
Grey (2)

Mount Boxes (32)
Butt Connectors (7)
Extension Cord Accessories (2)
Door Frames (1)

Plastic (23)
Metal (9)
Rubber (5)
Polyvinyl chloride (PVC) (3)

Electronics & Gaming
Power Accessories
Junction Boxes & Back Boxes

Back to Power Accessories

Junction Boxes & Back Boxes

Junction Boxes
Back Boxes

2 items

Showing 1 to 24 of 42 items

NewMarketplace.
3 Way IP68 Waterproof Connector Junction Box | Outdoor Electrical Cable Connector Sleeve Coupler | Weatherproof Power Cable Joint for Garden Lighting, LED Systems, Solar Panels & External Wiring
FREE Courier Delivery by Sun 26 Jul. Sold by Marketplace seller.
More like this
£5.99
£5.99/each
Quantity controls
Marketplace.
Masterplug IP54 Weatherproof Outdoor Electrical Enclosure Box for Extension Leads Socket Protection Green
FREE Courier Delivery by Mon 27 Jul. Sold by Marketplace seller.
More like this
£18.99
£18.99/each
Quantity controls
Marketplace.
Dencon 20A 4 Terminal Junction Box with Selective Entries - White - One Size
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£7.00
£7.00/each
Quantity controls
Marketplace.
Dencon Single Gang Box with Earth - White - L
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£6.00
£6.00/each
Quantity controls
Marketplace.
Dencon 2 Gang Metal Back Box To BS4662 - Silver - 25mm
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£5.00
£5.00/each
Quantity controls
Marketplace.
Dencon 5A 4 Terminal Junction Box with Selective Entries - White - One Size
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£6.00
£6.00/each
Quantity controls
Marketplace.
Dencon Junction Box - Multi Colour - 4 Terminal, 20A, White
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£6.00
£6.00/each
Quantity controls
Marketplace.
Dencon 3 Pole Connector Box - Multi Colour - White
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£6.00
£6.00/each
Quantity controls
Marketplace.
Dencon 4 Pole Connector Box - Multi Colour - White
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£6.00
£6.00/each
Quantity controls
Marketplace.
Dencon Ip66 Junction Box - Multi Colour - Grey, 175 x 125mm
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£16.00
£16.00/each
Quantity controls
Marketplace.
Dencon Ip66 Junction Box - Multi Colour - Black, 100 x 100mm
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£12.00
£12.00/each
Quantity controls
Marketplace.
Black Inline Connector Box Cable for Remote Control Magic Wand
FREE Courier Delivery by Sat 1 Aug. Sold by Marketplace seller.
More like this
£13.95
£13.95/each
Quantity controls
Marketplace.
10 Way Connector Black IP65
FREE Courier Delivery by Wed 29 Jul. Sold by Marketplace seller.
More like this
£22.99
£22.99/each
Quantity controls
Marketplace.
Eagle Outdoor IP54 Rated Electrical Connection Box Green
FREE Courier Delivery by Wed 29 Jul. Sold by Marketplace seller.
More like this
£24.99
£24.99/each
Quantity controls
Marketplace.
Eagle Outdoor IP54 Rated Electrical Connection Box Black
FREE Courier Delivery by Wed 29 Jul. Sold by Marketplace seller.
More like this
£24.99
£24.99/each
Quantity controls
Marketplace.
T Connector Black IP65
FREE Courier Delivery by Wed 29 Jul. Sold by Marketplace seller.
More like this
£12.99
£12.99/each
Quantity controls
Marketplace.
T Connector White IP65
FREE Courier Delivery by Wed 29 Jul. Sold by Marketplace seller.
More like this
£12.99
£12.99/each
Quantity controls
Marketplace.
Eagle IP44 Electrical Connection Box
FREE Courier Delivery by Wed 29 Jul. Sold by Marketplace seller.
More like this
£10.99
£10.99/each
Quantity controls
Marketplace.
5 Way Connector Black IP65
FREE Courier Delivery by Wed 29 Jul. Sold by Marketplace seller.
More like this
£17.99
£17.99/each
Quantity controls
Marketplace.
5 Way Connector White IP65
FREE Courier Delivery by Wed 29 Jul. Sold by Marketplace seller.
More like this
£17.99
£17.99/each
Quantity controls
Marketplace.
Dencon Pattress Box | Multi | Multi Colour | 1
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£6.00
£6.00/each
Options
Marketplace.
Dencon Metal Back Box | Multi | Multi Colour | 1
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£5.00
£5.00/each
Options
Marketplace.
Dencon Dual Metal Back Box 35mm | Multi | Multi Colour | 1
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£8.00
£8.00/each
Options
Marketplace.
Dencon Pattress Box | Multi | Multi Colour | 1
FREE Courier Delivery by Fri 31 Jul. Sold by Marketplace seller.
More like this
£6.00
£6.00/each
Options

Showing 1 to 24 of 42 items

Show

24

items per page

1
2

Basket

£0.00 Guide price

£0.00Guide price

Groceries

Reserve a slot for either home delivery or collection

Grocery basket empty

Products you add to your basket will appear here

Here to help

My Account
My Grocery Orders
Help & FAQs
Product Recall
Privacy centre
Tesco Pharmacy
Tesco Photo
Tesco Magazine

About

Accessibility
Sitemap
Privacy & cookies policy
Cookie settings
General terms & conditions
Product terms & conditions
Coupon terms & conditions
Ratings & reviews policy
Partner directory

Ways to save

Delivery Saver
Clubcard
Click+Collect
Clubcard Prices

Support

Contact us
Store locator

My Account
My Grocery Orders
Help & FAQs
Product Recall
Privacy centre
Tesco Pharmacy
Tesco Photo
Tesco Magazine

Accessibility
Sitemap
Privacy & cookies policy
Cookie settings
General terms & conditions
Product terms & conditions
Coupon terms & conditions
Ratings & reviews policy
Partner directory

Delivery Saver
Clubcard
Click+Collect
Clubcard Prices

Contact us
Store locator

Follow us

© 2026 Tesco.com. All rights reserved