RACO 811C 4 in. Square Cover for Exposed Work, 30A Locking Receptacle

RACO 811C 4 in. Square Cover for Exposed Work, 30A Locking Receptacle

The RACO 811C is a 4 in. square cover built for exposed work installations, featuring a 1.719 in. dia. opening precision-sized for 30A locking receptacles. Designed to mount directly to standard 4 in. square electrical boxes, this cover provides a clean, finished surface over exposed conduit and box installations while accommodating a round receptacle opening for secure device retention. The RACO 811C is cULus Listed, giving installers and inspectors confidence in its safety and performance for commercial, industrial, and light-duty exposed wiring applications where locking-style receptacles are required to resist accidental disconnection under load.

Key Features

• Trade Size: 4 in. square cover designed to fit standard 4 in. square exposed work electrical boxes.
• Receptacle Opening: Precision 1.719 in. dia. round opening sized specifically for 30A locking receptacles.
• Locking Device Compatibility: The round opening accommodates 30A locking receptacles that twist-lock into place, helping resist accidental unplugging in demanding environments.
• Configuration: Round receptacle cutout supports proper alignment and fit for locking-style devices.
• Shape: Square cover profile for compatibility with standard 4 in. square exposed work boxes.
• Surface Mount Design: Intended for exposed (surface) work rather than flush wall installations, simplifying retrofit and add-on wiring projects.
• Listing: cULus Listed for verified safety and performance compliance.

Certifications & Compliance

• cULus Listed

Technical Specifications

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

Typical Applications

• Exposed (Surface) Work Electrical Box Installations
• Cover Plates for 30A Locking Receptacle Devices
• Commercial and Industrial Wiring Device Protection
• Surface-Mounted Junction Box Finishing
• Retrofit and New Construction Exposed Wiring Systems

Why RACO?

RACO has long been a trusted name in electrical boxes, covers, and fittings for professional electricians and contractors. The 811C's square cover design and precisely sized 1.719 in. dia. opening reflect the attention to fit and function that installers rely on when specifying exposed work solutions for locking receptacles. Backed by a cULus Listing, the RACO 811C helps ensure exposed work electrical installations meet recognized safety standards while giving 30A locking receptacles a secure, properly sized mounting surface for dependable, code-compliant performance.