50 Amp Outdoor Receptacle Box Heavy Duty | 125/250V | 14-50R | Industrial Grade | Enerlites 66500MHW

The ENERLITES 66500MHW Heavy Duty 50A Outdoor Receptacle Box is a robust, weather-resistant electrical solution designed for high-power applications in both residential and commercial settings. Built for durability and long-term reliability, this receptacle box is ideal for powering RVs, electric vehicles, industrial equipment, and other high-amperage devices.

Constructed from heavy-duty galvanized steel with a baked-on polyester powder coat finish, the 66500MHW withstands harsh weather, moisture, dust, and corrosion. The fortified nylon casing houses ETP copper terminals with silver-plated H65 brass contacts to ensure reliable, low-resistance electrical connections. A self-grounding design and NEMA 3R enclosure provide additional safety and compliance for outdoor installations.

Engineered for ease of use, the door remains open at 90 degrees for convenient wiring, and the box features pre-knockout holes with sizes ranging from 3/4” and 1” to accommodate top hub connections—no punch kit required. Terminals are clearly marked for fast identification and simplified wiring, making installation quick and efficient.

The 66500MHW is a dependable solution for outdoor and industrial power needs, combining durability, weather resistance, and ease of installation in a single heavy-duty package.

FEATURES

• Heavy-duty 50A outdoor receptacle for high-power applications

• Weather-resistant design protects against moisture, dust, and corrosion

• Constructed from galvanized steel with baked-on polyester powder coat finish

• Fortified nylon casing with ETP copper terminals

• Silver-plated H65 brass contacts for reliable connections

• Self-grounding for enhanced safety

• NEMA 3R enclosure for outdoor compliance

• Door stays open at 90 degrees for easier installation

• Pre-knockout holes for 3/4” and 1” top hub; no punch kit required

• Terminals clearly marked for fast, accurate wiring

TECHNICAL SPECIFICATIONS

• Item Number: 66500MHW

• Amperage: 50A

• Material: Galvanized steel, baked-on polyester powder coat, nylon casing

• Terminals: ETP copper, silver-plated H65 brass contacts

• Enclosure Rating: NEMA 3R

• Installation: Outdoor, self-grounding

• Knockouts: 3/4”, 1”, 1” top hub

• Applications: RVs, EVs, industrial equipment, outdoor power distribution