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

💡 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