--- product_id: 451829239 title: "RESTMO Extra Large Waterproof Electrical Box (12.6×8.7×5.1 in), IP54 Weatherproof Outdoor Extension Lead Cover, Protect Outlet, Plug, Socket, Timer, Power Strip, Holiday Light Decoration, Grey" brand: "restmo" price: "£27.81" currency: GBP in_stock: true reviews_count: 13 category: "Restmo" url: https://www.desertcart.co.uk/products/451829239-restmo-extra-large-waterproof-electrical-box-12-6-8-7 store_origin: GB region: United Kingdom --- # IP54 waterproof & dustproof seal 12.6×8.7×5.1 in spacious design 6 cable entry ports for versatile use RESTMO Extra Large Waterproof Electrical Box (12.6×8.7×5.1 in), IP54 Weatherproof Outdoor Extension Lead Cover, Protect Outlet, Plug, Socket, Timer, Power Strip, Holiday Light Decoration, Grey **Brand:** restmo **Price:** £27.81 **Availability:** ✅ In Stock ## Summary > 🔒 Secure your outdoor power like a pro—stay connected, rain or shine! ## Quick Answers - **What is this?** RESTMO Extra Large Waterproof Electrical Box (12.6×8.7×5.1 in), IP54 Weatherproof Outdoor Extension Lead Cover, Protect Outlet, Plug, Socket, Timer, Power Strip, Holiday Light Decoration, Grey by restmo - **How much does it cost?** £27.81 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/451829239-restmo-extra-large-waterproof-electrical-box-12-6-8-7) ## Best For - restmo enthusiasts ## Why This Product - Trusted restmo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Spacious & Versatile:** Fits large power strips, adapters, and timers with ease—no more cramped connections. - • **Heavy-Duty Durability:** Reinforced polypropylene shell built to withstand harsh outdoor conditions year-round. - • **Effortless Installation:** Dual mounting holes and simple clip system make setup quick and hassle-free. - • **Weatherproof Confidence:** IP54-rated sealing with rubber gaskets and secure clips keeps rain, dust, and snow out. - • **Multi-Use Power Protection:** Perfect for holiday lights, garden tools, security cameras, and more—protect your outdoor tech in style. ## Overview The RESTMO Extra Large Waterproof Electrical Box offers a robust IP54-rated enclosure measuring 12.6×8.7×5.1 inches, designed to protect outdoor electrical connections including power strips, timers, and plugs. Made from heavy-duty polypropylene, it features 6 cable entry ports and secure clips with rubber gaskets to ensure weatherproof protection against rain, dust, and snow. Ideal for a wide range of outdoor applications, it combines durability with easy installation for reliable, year-round power safety. ## Description RESTMO Extra Large Waterproof Electrical Box (12.6×8.7×5.1 in), IP54 Weatherproof Outdoor Extension Lead Cover, Protect Outlet, Plug, Socket, Timer, Power Strip, Holiday Light Decoration, Grey : desertcart.co.uk: DIY & Tools Review: Great price & Does the job - Got this for our outdoor Christmas Lights & it’s Great. It’s a good size & can fit a 4 gang extension socket easily. The lighting transformer plugs come in various sizes but they fit in with ease. It opens & closes easily & when closed is definitely waterproof. The price is good value. Review: Well made and sturdy box. - Well made and sturdy box - .effective closing clips which appear to seal the unit. DId the job for outside use - no problem. ## Features - Designed to keep outdoor temporary cord connection secure and protected【Power strips are not included】. Features with large size (12.5 x 8.5 x 5 inch) and 6 cable entry ports (front*4 + side*2), it is one-stop solution to protect outdoor power strip, timer outlet plug, extension lead, large adapter and most of other electrical connections. - With the 4 clips, top lid, and rubber gaskets, this outdoor extension lead cover box is IP54 waterproof. Perfect to seal Ø1-12mm cord, braided cable and flat wire. Note: package NOT include power strip. - Made with heavy-duty reinforced PP material to withstand rain, snow, water, dust, dirt and more, continuously protecting outdoor connections from electrical hazard. - Easy to use, place the connection into the safety seal enclosure and clip the cord with the clamps. Simple to hang the box on any walls with the dual mounting holes. - Ideal for a wide range of outdoor & indoor applications including lawn and garden power tools, Christmas holiday lighting, landscape decorations, pool pumps, fountains, fish ponds, patio heaters, air conditioners, security cameras and more. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B17G9M6L | | Best Sellers Rank | 7,234 in DIY & Tools ( See Top 100 in DIY & Tools ) 10 in Outlet Boxes | | Brand Name | Restmo | | Colour | Gray | | Country of Origin | China | | Customer Reviews | 4.5 4.5 out of 5 stars (860) | | Finish Type | Matte | | Included Components | Waterproof Electrical Box | | Installation Type | Screw-In | | Item Dimensions D x W x H | 12.7D x 21.6W x 12.7H centimetres | | Item Weight | 1.9 Pounds | | Manufacturer | Restmo | | Material | Polypropylene | | Model Number | O-ECC-3 | | Specification Met | IP54 | | Style | Industrial | ## Product Details - **Brand:** Restmo - **Colour:** Gray - **Material:** Polypropylene - **Product dimensions:** 12.7D x 21.6W x 12.7H centimetres - **Style:** Industrial ## Images ![RESTMO Extra Large Waterproof Electrical Box (12.6×8.7×5.1 in), IP54 Weatherproof Outdoor Extension Lead Cover, Protect Outlet, Plug, Socket, Timer, Power Strip, Holiday Light Decoration, Grey - Image 1](https://m.media-amazon.com/images/I/71QsAefAF5L.jpg) ![RESTMO Extra Large Waterproof Electrical Box (12.6×8.7×5.1 in), IP54 Weatherproof Outdoor Extension Lead Cover, Protect Outlet, Plug, Socket, Timer, Power Strip, Holiday Light Decoration, Grey - Image 2](https://m.media-amazon.com/images/I/71btrtg5XJL.jpg) ![RESTMO Extra Large Waterproof Electrical Box (12.6×8.7×5.1 in), IP54 Weatherproof Outdoor Extension Lead Cover, Protect Outlet, Plug, Socket, Timer, Power Strip, Holiday Light Decoration, Grey - Image 3](https://m.media-amazon.com/images/I/61ObiZS45ZL.jpg) ![RESTMO Extra Large Waterproof Electrical Box (12.6×8.7×5.1 in), IP54 Weatherproof Outdoor Extension Lead Cover, Protect Outlet, Plug, Socket, Timer, Power Strip, Holiday Light Decoration, Grey - Image 4](https://m.media-amazon.com/images/I/81w5iuh1hzL.jpg) ![RESTMO Extra Large Waterproof Electrical Box (12.6×8.7×5.1 in), IP54 Weatherproof Outdoor Extension Lead Cover, Protect Outlet, Plug, Socket, Timer, Power Strip, Holiday Light Decoration, Grey - Image 5](https://m.media-amazon.com/images/I/81id6pB3LoL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Will a transformer plug fit** A: I have fitted a timer plug in with plenty of room. I would guess a 12v transformer would be a similar size. **Q: Can you put normal extension cable in the box** A: you can put up to a 3 extension block into the box using normal ex leads also output slots can take from 2 core to 3 core cable **Q: Can this be left outdoors with power on over long periods of time?** A: Dear Customer, Thanks for your question about Restmo outdoor weatherproof box. It is not recommended to protect permanent power connections by this box. Any more questions, simply reach us via support@restmo-link.com Sincerely Restmo Support **Q: Why is this classed as waterproof at ip54? Waterproof is ip66/67.** A: Dear Customer, Thanks for your question about Restmo outdoor electrical box. Yes, this box is rated IP54 waterproof. It can resist water splash and rain. But you cannot submerge it into water. IP66/67 waterproof can be submerged into water. Any more questions, simply reach us via support@restmo-link.com Sincerely Restmo Support ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great price & Does the job *by D***N on 4 January 2026* Got this for our outdoor Christmas Lights & it’s Great. It’s a good size & can fit a 4 gang extension socket easily. The lighting transformer plugs come in various sizes but they fit in with ease. It opens & closes easily & when closed is definitely waterproof. The price is good value. ### ⭐⭐⭐⭐⭐ Well made and sturdy box. *by M***S on 17 March 2026* Well made and sturdy box - .effective closing clips which appear to seal the unit. DId the job for outside use - no problem. ### ⭐⭐⭐⭐ Good watertight cable holder *by C***S on 15 June 2025* does the job, I keep my type 2 charger in there. ## Frequently Bought Together - RESTMO Extra Large Waterproof Electrical Box, IP54 Weatherproof Outdoor Extension Lead Cover, Protect Outlet, Plug, Socket, Timer, Power Strip, Holiday Light Decoration, 32 x 22 x 13 cm, Gray - Outdoor Extension Lead 10m Plug Socket Power Cable Extra Long Extension Cord 13 Amp Heavy Duty Outside Plug Socket Black - 4-Gang Extension Trailing Lead - Black Multi Plug Power Cable - 1m / 2m / 3m / 5m / 10m 10m --- ## 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.co.uk/products/451829239-restmo-extra-large-waterproof-electrical-box-12-6-8-7](https://www.desertcart.co.uk/products/451829239-restmo-extra-large-waterproof-electrical-box-12-6-8-7) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*