--- product_id: 46783347 title: "SIGMA ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box, Weatherproof, Easy Mount, White, (5) 1/2-Inch Holes" brand: "sigma engineered solutions" price: "₱1405" currency: PHP in_stock: true category: "Sigma Engineered Solutions" url: https://www.desertcart.ph/products/46783347-sigma-engineered-solutions-143854-round-metal-electrical-outlet-box-weatherproof store_origin: PH region: Philippines --- # 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 ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box, Weatherproof, Easy Mount, White, (5) 1/2-Inch Holes **Brand:** sigma engineered solutions **Price:** ₱1405 **Availability:** ✅ In Stock ## Summary > ⚡ Power your projects with weatherproof precision and pro-grade durability! ## Quick Answers - **What is this?** SIGMA ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box, Weatherproof, Easy Mount, White, (5) 1/2-Inch Holes by sigma engineered solutions - **How much does it cost?** ₱1405 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/46783347-sigma-engineered-solutions-143854-round-metal-electrical-outlet-box-weatherproof) ## 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 - Product is UL and CSA listed, suitable for wet locations and NEMA 3R rated ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00C3YD6JI | | Assembled Diameter | 5.5 inches | | Best Sellers Rank | #176,293 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #396 in Electrical Boxes | | Certification | Csa, Nema 3r, Ul | | Color | Gray | | Customer Reviews | 4.6 4.6 out of 5 stars (203) | | Cutting Diameter | 5.5 inches | | Date First Available | March 27, 2013 | | Finish | Powder Coated | | Included Components | Sigma Engineered Solutions, Gray Sigma Electric 143854 1/2-Inch 5 Hole Round Box | | Installation Method | Screw-In | | Item Package Quantity | 1 | | Item Weight | 7.8 ounces | | Item model number | 143854 | | Manufacturer | Sigma Electric | | Material | Metal | | Number Of Holes | 5 | | Part Number | 143854 | | Shape | shape | | Size | No Size | | Style | Compact | | Thickness | N/A inches | | Warranty Description | Warranty | ## Product Details - **Material:** Metal - **Brand:** Sigma Engineered Solutions - **Color:** Gray - **Style:** Compact - **Product Dimensions:** 2.26"D x 5.5"W x 4.2"H ## Images ![SIGMA ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box, Weatherproof, Easy Mount, White, (5) 1/2-Inch Holes - Image 1](https://m.media-amazon.com/images/I/710NwUH27hL.jpg) ![SIGMA ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box, Weatherproof, Easy Mount, White, (5) 1/2-Inch Holes - Image 2](https://m.media-amazon.com/images/I/41q8mfZPyyL.jpg) ![SIGMA ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box, Weatherproof, Easy Mount, White, (5) 1/2-Inch Holes - Image 3](https://m.media-amazon.com/images/I/41kcxRyjm+L.jpg) ![SIGMA ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box, Weatherproof, Easy Mount, White, (5) 1/2-Inch Holes - Image 4](https://m.media-amazon.com/images/I/411GALwldaL.jpg) ![SIGMA ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box, Weatherproof, Easy Mount, White, (5) 1/2-Inch Holes - Image 5](https://m.media-amazon.com/images/I/417f07yf4uL.jpg) ## 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.ph/products/46783347-sigma-engineered-solutions-143854-round-metal-electrical-outlet-box-weatherproof](https://www.desertcart.ph/products/46783347-sigma-engineered-solutions-143854-round-metal-electrical-outlet-box-weatherproof) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-10-01*