RACO 859 4-11/16" to 4-Square Adapter Ring, Pack of 100

RACO 859 4-11/16" to 4SQ Adapter Ring, Pack of 100

The RACO 859 is a 4-11/16" to 4SQ adapter ring built to adapt a 4-11/16" square electrical outlet box so that it can accept standard 4" square (4SQ) device rings, plaster rings, and covers. Electrical crews frequently encounter a mix of box sizes on a single job, and this adapter ring lets them standardize on common 4" square device hardware instead of stocking a separate ring or cover for every box dimension. Because it mounts directly to the larger 4-11/16" square box opening, the RACO 859 keeps device and cover installation consistent from box to box, simplifying both material planning and field work. Each unit ships in a bulk pack of 100, giving contractors, electrical distributors, and maintenance crews a ready supply for ongoing commercial and residential wiring projects.

Key Features

• Size Conversion: Adapts a 4-11/16" square electrical box opening to accept 4" square (4SQ) device rings, plaster rings, and covers, eliminating the need for box-specific hardware.
• Bulk Contractor Pack: Sold in a case quantity of 100 adapter rings, supporting high-volume installation work and reducing the number of reorders needed on active job sites.
• Standardized Fit: Engineered to mate with common 4-11/16" square box openings and standard 4" square device ring hardware for a consistent, repeatable installation every time.
• Simplified Inventory: Allows electricians to pair a single device ring or cover size with boxes of differing dimensions, reducing the number of unique parts carried on the truck or stocked in the warehouse.
• Field-Ready Design: A straightforward drop-in fit speeds installation and reduces on-site fabrication or modification of box openings during rough-in.
• Versatile Application: Suited to a wide range of commercial, industrial, and residential electrical box configurations wherever 4-11/16" boxes are paired with 4" square device hardware.

Technical Specifications

• Pack size (unit): 100

Typical Applications

• Commercial and Industrial Electrical Box Installations
• Device Ring and Cover Mounting on 4-11/16" Square Boxes
• Box Size Standardization Across Mixed Rough-In Work
• Renovation and Retrofit Electrical Projects
• New Construction Wiring Projects
• Panel and Junction Box Fit-Out Work

Why RACO?

RACO adapter rings are built to give electrical contractors a reliable, repeatable fit between box and device hardware, helping crews standardize parts across a project instead of stocking a cover or ring for every box size. The 859's bulk pack of 100 makes it easy to keep this commonly needed adapter on hand for ongoing commercial and residential electrical work, reducing trips back to the supply house mid-project. Choosing RACO for electrical box hardware helps electricians and distributors maintain consistent fit and dependable performance across professional installations.