--- product_id: 534809354 title: "Rack-A-Tiers Open Splice Junction Box (Single) (UL Listed) Repair Open Splices, 5 Second Installation, Electrical Junction Box (JB400)" brand: "rack-a-tiers" price: "€ 33.92" currency: EUR in_stock: true category: "Rack A Tiers" url: https://www.desertcart.be/products/534809354-rack-a-tiers-open-splice-junction-box-single-ul-listed store_origin: BE region: Belgium --- # 4-side wiring slots 25.8 cu in volume Fire-resistant polymer Rack-A-Tiers Open Splice Junction Box (Single) (UL Listed) Repair Open Splices, 5 Second Installation, Electrical Junction Box (JB400) **Brand:** rack-a-tiers **Price:** € 33.92 **Availability:** ✅ In Stock ## Summary > ⚡ Seal the deal in seconds — safety and speed, all in one box! ## Quick Answers - **What is this?** Rack-A-Tiers Open Splice Junction Box (Single) (UL Listed) Repair Open Splices, 5 Second Installation, Electrical Junction Box (JB400) by rack-a-tiers - **How much does it cost?** € 33.92 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/534809354-rack-a-tiers-open-splice-junction-box-single-ul-listed) ## Best For - rack-a-tiers enthusiasts ## Why This Product - Trusted rack-a-tiers brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Four-Sided Access:** Slots on all sides provide ultimate flexibility for wiring configurations. - • **One-Piece Solid Design:** Patent-pending hinged lid seals splices without rewiring, reducing parts and installation errors. - • **Maximized Wiring Capacity:** Generous 25.8 cubic inches volume accommodates complex splices with ease. - • **Built for Safety & Compliance:** UL and CSA certified fire-resistant polymer ensures code compliance and peace of mind. - • **Effortless 5-Second Installation:** Revolutionary 3-step process saves time and hassle for pros and DIYers alike. ## Overview The Rack-A-Tiers Open Splice Junction Box (JB400) is a UL-listed, fire-resistant electrical junction box designed for quick, code-compliant splice repairs. Featuring a spacious 25.8 cubic inch capacity, four-sided wiring slots, and a patented one-piece hinged lid, it enables effortless 5-second installation without disconnecting wires. Made in the USA and rigorously tested to meet U.S. and Canadian safety standards, this splice box is the ultimate solution for electricians and DIY professionals seeking fast, reliable, and safe wire management. ## Description 4" Open Junc Box ## Features - 25.8 Cubic inches of volume. - No need to disconnect the wiring. - Slots for wiring on four sides of the junction box. - Splice Box Made in the USA. - SAFE – Developed through rigorous laboratory testing, this j-box (junction box) is built with fire-resistant polymer designed to meet U.S. (U.L. 514C) and Canada (CSA C22.2 # 182) safety codes. Safely enclosing open wire splices is your legal responsibility and this wire cover is the most effortless method. - SOLID – The patent-pending one-piece design means fewer parts and pieces to manage. With the hinged lid that folds down to seal the wire splice, you no longer have to re-wire open splices to get them in the junction box. - SIMPLE – The revolutionary 3-step install process makes taking care of this common code violation easy for electricians and DIYers alike and turns splice box installation into a quick job. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C765NZB2 | | Best Sellers Rank | #69,893 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #148 in Electrical Boxes | | Brand Name | Rack-A-Tiers | | Capacity | 25.8 cubic inches | | Color | Multicolor | | Customer Reviews | 4.6 4.6 out of 5 stars (571) | | Finish Type | Powder Coated | | Included Components | 4" Open Junc Box | | Installation Type | Screw-In | | Item Dimensions D x W x H | 2"D x 5"W x 5"H | | Item Weight | 0.1 Kilograms | | Manufacturer | Rack-a-tiers | | Material | fire-resistant polymer | | Model Number | JB400 | | Part Number | JB400 | | Specification Met | Csa | | Style | Safety | | UPC | 625912324008 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Rack-A-Tiers - **Color:** Multicolor - **Material:** fire-resistant polymer - **Product Dimensions:** 2"D x 5"W x 5"H - **Style:** Safety ## Images ![Rack-A-Tiers Open Splice Junction Box (Single) (UL Listed) Repair Open Splices, 5 Second Installation, Electrical Junction Box (JB400) - Image 1](https://m.media-amazon.com/images/I/71SjSo5LfoL.jpg) ## Frequently Bought Together - Rack-A-Tiers Open Splice Junction Box - Single, 5 Second Installation, Repair Open Splices - Southwire Romex Brand Simpull Solid Indoor 14/2 W/G NMB Cable 25ft coil - SW# 28827421 - WAGO 221 Lever Nuts 28pc Compact Splicing Wire Connector Assortment with Case | Includes 221-2401, 221-412, 221-413, 221-415 --- ## 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.be/products/534809354-rack-a-tiers-open-splice-junction-box-single-ul-listed](https://www.desertcart.be/products/534809354-rack-a-tiers-open-splice-junction-box-single-ul-listed) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-18*