--- product_id: 274468564 title: "White Square edge Plastic 30A Junction Box 3-Terminal - White (89mm)" brand: "knightsbridge" price: "67 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/274468564-white-square-edge-plastic-30a-junction-box-3-terminal-white store_origin: PL region: Poland --- # 30A Power Capacity Easy Screw-In Installation 15-Year Warranty White Square edge Plastic 30A Junction Box 3-Terminal - White (89mm) **Brand:** knightsbridge **Price:** 67 zł **Availability:** ✅ In Stock ## Summary > 🔧 Elevate Your Wiring Game with Knightsbridge! ## Quick Answers - **What is this?** White Square edge Plastic 30A Junction Box 3-Terminal - White (89mm) by knightsbridge - **How much does it cost?** 67 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/274468564-white-square-edge-plastic-30a-junction-box-3-terminal-white) ## Best For - knightsbridge enthusiasts ## Why This Product - Trusted knightsbridge brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Quality:** Certified for UK standards, backed by a reputable brand since 1998. - • **Stylish Cohesion:** Complete your look with a full range of matching products. - • **Functional & Durable:** Engineered with anti-microbial properties for a cleaner environment. - • **Seamless Installation:** Top-down terminals and captive screws ensure hassle-free setup. - • **Long-Lasting Confidence:** Enjoy peace of mind with a 15-year warranty on all components. ## Overview The Knightsbridge White Square Edge Plastic 30A Junction Box is a robust and stylish solution for domestic wiring distribution. Measuring 89mm, this junction box features anti-microbial properties, easy screw-in installation, and a 15-year warranty, ensuring both safety and longevity. With a commitment to quality and compliance with UK wiring regulations, Knightsbridge stands as a trusted name in electrical accessories. ## Description Knightsbridge White Square edge Plastic 30A Junction Box 3-Terminal - White (89mm) ## Features - FUNCTIONAL - Hard wearing, all purpose white square edge range from Knightsbridge which exhibits Anti-Microbial properties to inhibit the growth of bacteria - EASY INSTALATION - With top down terminals on most lines, captive terminals to stop the screws falling out and high integrity earthing where appropriate. - MATCHING - With a full range of matching products available you no longer have to put up with a product mismatch. - CONFIDENCE - 15 Year warranty on all switches and sockets (except sockets with USB charging) - Trusted – Knightsbridge, founded in Dunstable, Bedfordshire in 1998, has 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 ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | KNIGHTSBRIDGE | | Part Number | SN8430 | | Item model number | SN8430 | | Size | 30A 3 Terminal 89mm | | Colour | White | | Style | Modern | | Material | Urea | | Shape | Round | | Power Source | Ac | | Installation method | Screw-In | | Item Package Quantity | 1 | | Number of Pieces | 1 | | Cutting Diameter | 89 Millimetres | | Certification | Ul | | Usage | Wiring Junction Box for domestic wiring distribution | | Included Components | 30A Junction Box 3-Terminal - White (89mm) | | Batteries Required? | No | | Assembled Diameter | 89 Millimetres | | Item Weight | 140 g | ## Images ![White Square edge Plastic 30A Junction Box 3-Terminal - White (89mm) - Image 1](https://m.media-amazon.com/images/I/41bx4aj0XWL.jpg) ## Available Options This product comes in different **Colour Name, Size Name** options. ## Questions & Answers **Q: What is this product used for exactly the 20A 4 Terminal 79 mm??** A: It is a junction box for electrical cables. To feed different electrical circuits. **Q: 20a 4 terminal,because i took down a ceiling light and fitted a led batten light, now i've got bare copper and an exposed ceiling cavexposed ceiling c** A: i am not an electrician but i don't believe you need as heavy as a 20 amp. lighting is lower than that. but you should not have any exposed BARE Copper wires - at least put some insulating tape around them or if they touch or get too close they will blow the house electrics. you can buy earth sheathing, usually green and yellow striped to cover the bare earth wire, but use good quality insulated tape for the rest of the cables- if covering is falling off - Change the wiring - you could be about to have a house fire - be careful with electric - ask a Professional for advice, seriously, bare cables are dangerous **Q: Is this item really made out of urea? Perhaps urea-formaldehyde.** A: I have absolutely no idea --- ## 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.pl/products/274468564-white-square-edge-plastic-30a-junction-box-3-terminal-white](https://www.desertcart.pl/products/274468564-white-square-edge-plastic-30a-junction-box-3-terminal-white) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-05*