RACO 878 4-11/16 in. Square Exposed Work Cover, 30-50A Receptacle Opening

RACO 878 4-11/16 in. Square Exposed Work Cover, 30-50A Receptacle Opening

The RACO 878 is a 4-11/16 in. square exposed work cover designed for surface-mounted electrical box installations. Featuring a round receptacle opening with a 2.141 in. dia. cutout, this cover accommodates 30-50A receptacle devices in commercial and industrial applications. Designed for use with exposed work boxes, the RACO 878 provides a clean, code-compliant finish for surface conduit runs in commercial and industrial settings. Built to meet cULus Listed standards, the RACO 878 delivers a code-compliant, precision-fit solution for exposed conduit and box systems.

Key Features

• Trade Size: 4-11/16 in. square cover sized for standard exposed work electrical boxes.
• Receptacle Opening: 2.141 in. dia. round cutout engineered to accept 30-50A receptacle devices.
• Configuration: Round receptacle opening centered on a square cover plate for a clean, functional installation.
• Shape: Square cover profile matches 4-11/16 in. square exposed work boxes for a secure, flush fit.
• Amperage Compatibility: Sized to support 30-50A receptacle installations in exposed wiring applications.
• Listing: cULus Listed for verified safety and code compliance.
• Installation-Ready Design: Square profile and centered receptacle opening simplify alignment during exposed work installations.
• Device Compatibility: Round opening accommodates 30-50A receptacle devices commonly used in heavy-duty electrical circuits.

Certifications & Compliance

• cULus Listed

Technical Specifications

• Product Type: Cover
• Product Size: 4-11/16 in
• Product Shape: Square
• Configuration: Round Receptacle
• Certified Listed: cULus Listed

Typical Applications

• Exposed Work Electrical Box Installations
• Commercial and Industrial Wiring Systems
• 30-50A Receptacle Mounting Applications
• Surface-Mounted Conduit and Box Systems
• Renovation and New Construction Electrical Work

Why RACO?

RACO engineers exposed work covers to precise dimensional standards, ensuring the RACO 878 delivers a reliable, flush-fitting solution for 4-11/16 in. square box installations. As part of RACO's line of exposed work box covers, the 878 is manufactured to consistent dimensional tolerances, helping ensure a proper fit against 4-11/16 in. square boxes on every installation. Backed by cULus Listing, its 2.141 in. dia. round receptacle opening supports code-compliant 30-50A receptacle installations for demanding commercial and industrial electrical projects.