--- product_id: 46783347 title: "Sigma 143854 Weatherproof 1/2\" 5 Hole Round Box, Gray" brand: "sigma engineered solutions" price: "2791 som" currency: KGS in_stock: true category: "Sigma Engineered Solutions" url: https://www.desertcart.kg/products/46783347-sigma-143854-weatherproof-1-2-5-hole-round-box-gray store_origin: KG region: Kyrgyzstan --- # 5 x 1/2-inch knockouts for versatile wiring UL & CSA listed, NEMA 3R rated for wet locations Powder-coated die-cast metal resists corrosion Sigma 143854 Weatherproof 1/2" 5 Hole Round Box, Gray **Brand:** sigma engineered solutions **Price:** 2791 som **Availability:** ✅ In Stock ## Summary > ⚡ Power your projects with weatherproof precision and pro-grade durability! ## Quick Answers - **What is this?** Sigma 143854 Weatherproof 1/2" 5 Hole Round Box, Gray by sigma engineered solutions - **How much does it cost?** 2791 som with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/46783347-sigma-143854-weatherproof-1-2-5-hole-round-box-gray) ## Best For - sigma engineered solutions enthusiasts ## Why This Product - Trusted sigma engineered solutions brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Durable die-cast metal with powder coating ensures long-lasting corrosion resistance. - • **Compact Yet Spacious:** 16 cu. in. capacity fits standard 4-inch round covers while maintaining a sleek profile. - • **Versatile Wiring Hub:** Five 1/2-inch knockouts provide flexible conduit entry points for any project. - • **Weatherproof Confidence:** Certified UL, CSA, and NEMA 3R rated to keep your connections safe in wet environments. - • **Easy & Secure Installation:** Pre-installed ground screw and included hardware make mounting a breeze. ## Overview The SIGMA ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box features five 1/2-inch knockouts and a 16 cu. in. capacity, designed for versatile conduit connections and mounting lampholders. Its rugged die-cast metal construction with powder coating offers superior corrosion resistance, while UL, CSA, and NEMA 3R certifications guarantee reliable performance in wet locations. Pre-installed ground screw and included hardware simplify installation, making it a trusted choice for professional-grade electrical setups. ## Description Sigma Engineered Solutions weatherproof round box provides a junction for conduits and can be used to mount lampholders and lighting systems. The rugged, die-cast construction prevents moisture penetration making the box suitable for wet, damp or dry locations. The box is powder coated for corrosion resistance and features a ground screw for secure installation. Boxes include hardware, closure plugs and pre-installed ground screw. Product is UL and CSA listed. ## Features - Features five 1/2-in knockouts and 16 cu. in. capacity - Fits standard 4-in round weatherproof box covers (with 4.1885-in diameter) - Provide a junction for conduits or can be used to mount lampholders and lighting systems - Die-cast construction and powder coated for corrosion resistance and includes a pre-installed ground screw and closure plugs - Sigma’s weatherproof round boxes provide a junction for conduits and can be used to mount lampholders and lighting systems in outdoor applications. The rugged, die-cast construction prevents moisture penetration making the boxes suitable for wet, damp or dry locations. These UL and CSA listed boxes are powder coated for maximum corrosion resistance and feature reinforced connector outlets for secure installation. Mounting lugs, closure plugs, and a pre-installed ground screw are included. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00C3YD6JI | | Best Sellers Rank | #153,496 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #366 in Electrical Boxes | | Brand Name | Sigma Engineered Solutions | | Capacity | 16 cubic inches | | Color | Gray | | Customer Reviews | 4.7 4.7 out of 5 stars (400) | | Finish Type | Powder Coated | | Global Trade Identification Number | 00031857143855 | | Included Components | Sigma Engineered Solutions, Gray Sigma Electric 143854 1/2-Inch 5 Hole Round Box | | Installation Type | Screw-In | | Item Dimensions D x W x H | 2.26"D x 5.5"W x 4.2"H | | Item Type Name | Sigma Engineered Solutions, Gray Sigma Electric 143854 1/2-Inch 5 Hole Round Box | | Item Weight | 7.84 ounces | | Manufacturer | Sigma Engineered Solutions | | Material | Metal | | Model Number | 143854 | | Number of Items | 1 | | Part Number | 143854 | | Specification Met | Csa, Nema 3r, Ul | | Style | Compact | | UPC | 031857143855 | | Unit Count | 1 Count | | Warranty Description | Warranty | ## Product Details - **Brand:** Sigma Engineered Solutions - **Color:** Gray - **Material:** Metal - **Product Dimensions:** 2.26"D x 5.5"W x 4.2"H - **Style:** Compact ## Images ![Sigma 143854 Weatherproof 1/2" 5 Hole Round Box, Gray - Image 1](https://m.media-amazon.com/images/I/41q8mfZPyyL.jpg) ![Sigma 143854 Weatherproof 1/2" 5 Hole Round Box, Gray - Image 2](https://m.media-amazon.com/images/I/41kcxRyjm+L.jpg) ![Sigma 143854 Weatherproof 1/2" 5 Hole Round Box, Gray - Image 3](https://m.media-amazon.com/images/I/411GALwldaL.jpg) ![Sigma 143854 Weatherproof 1/2" 5 Hole Round Box, Gray - Image 4](https://m.media-amazon.com/images/I/417f07yf4uL.jpg) ![Sigma 143854 Weatherproof 1/2" 5 Hole Round Box, Gray - Image 5](https://m.media-amazon.com/images/I/41YmDYDoepL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - Sigma Electric, Gray Sigma Engineered Solutions, 143854 1/2-Inch 5 Hole Round Box, No Size - SIGMA ENGINEERED SOLUTIONS 14250 Metal Electrical Outlet Box, Weatherproof, Easy Mount Plug and Receptacle Protector, Gray, (3) 1/2-Inch Holes, 1 Gang Box - ENERLITES 4” Diameter Round Weatherproof Cover, Blank Metal Wall Plate for Outdoor Use, Corrosion Resistant, Size 4.3” x 3.46", 7740-WP, Gray --- ## 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.kg/products/46783347-sigma-143854-weatherproof-1-2-5-hole-round-box-gray](https://www.desertcart.kg/products/46783347-sigma-143854-weatherproof-1-2-5-hole-round-box-gray) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-11-15*