4" with 5-1/2"-Holes Round WeatherProof Electrical Box | Enerlites EN4550

The Enerlites EN4550 Weatherproof Outlet Box is a 4-inch round electrical box designed for outdoor or moisture-prone locations. Equipped with five 1/2-inch knockouts, this heavy-duty junction box accommodates a variety of wiring configurations for switches and receptacles. Constructed from die-cast metal with a powder-coated gray finish, the EN4550 provides UV, corrosion, scratch, and impact resistance, ensuring long-lasting protection against weather, debris, and pests. The box is compatible with 4-inch round receptacle covers, such as Enerlites 7740-WP (sold separately), making it ideal for outdoor, residential, commercial, and industrial applications. The EN4550 comes with pre-installed grounding screw and closure plugs for fast and secure installation. It is UL and CUL listed and meets NEC 2017 Article 406.9 standards for damp or wet locations. ⚙️ Technical Specifications Specification Details Part Number EN4550 Product Type 4″ Round Weatherproof Electrical Box Material Die-Cast Metal Finish Powder-Coated Gray Knockouts 5 × 1/2" Threaded Holes Mount Type Surface Mount Diameter 4 inches Ingress Protection Weatherproof (NEC 406.9 compliant) Compatible Covers ENERLITES 7740-WP Included Accessories Grounding Screw, Closure Plugs, Mounting Screws (#10-24 x 1/2") Resistance UV, Corrosion, Impact, and Moisture Resistant Operating Temperature -40°F to 167°F (-40°C to 75°C) Certifications UL Listed, CUL Listed Warranty 2 Years 💡 Key Features Round 4″ heavy-duty die-cast metal construction for durability Powder-coated gray finish resists UV, corrosion, and scratches Five 1/2-inch knockouts for versatile conduit wiring Weather-sealed design protects against moisture, debris, and insects Pre-installed grounding screw ensures safe electrical connection Mounting holes accept #10-24 x 1/2 inch screws Compatible with 4″ round weatherproof covers UL and CUL listed; NEC 2017 406.9 compliant Ideal for outdoor residential, commercial, and industrial installations 🏠 Applications Outdoor receptacles and switches Patios, decks, and exterior walls Pool, spa, and hot tub connections Landscape and garden lighting Garages, workshops, and utility areas Industrial and construction site outlets