RACO 911-16 4-11/16 in. Life Safety Square Adapter Ring, Red Steel, Pack of 100

RACO 911-16 4-11/16 in. Life Safety Square Adapter Ring, Red Steel, Pack of 100

The RACO 911-16 4-11/16 in. Life Safety Square Adapter Ring, Red Steel, Pack of 100 is a life safety square adapter ring engineered to extend square steel device boxes flush with the finished wall or ceiling surface. Sized at 4-11/16 in. x 4 in. with a 5/8 in. raised profile, this steel adapter ring bridges the gap left when a box is recessed behind drywall, tile, or other finish materials. Finished in red for quick visual identification, the 911-16 is intended for life safety and fire alarm circuits where code compliance and fast field recognition matter. Each ring is cULus Listed and shipped in a contractor-ready pack of 100, making it well suited for commercial and institutional electrical projects that require consistent, code-compliant device box accessories in volume.

Key Features

• Trade Size: 4-11/16 in. x 4 in. square adapter ring sized to match standard square steel boxes.
• 5/8 in. Raised Profile: bridges the gap between the device box and the finished wall or ceiling surface.
• Steel Construction: durable steel body built for demanding commercial and life safety installations.
• Red Finish: red coloring provides fast visual identification of life safety and fire alarm circuits.
• Square Shape: square profile matches standard square steel boxes for a clean, flush finish.
• Bulk Packaging: supplied in a pack of 100 for high-volume contractor and distributor use.

Certifications & Compliance

• cULus Listed

Technical Specifications

• Product Type: Steel Box
• Pack size (unit): 100
• Product Size: 4-11/16 in
• Product Shape: Square
• Certified Listed: cULus Listed

Typical Applications

• Life Safety and Fire Alarm Device Installations
• Square Steel Box to Wallplate Transitions
• Commercial and Institutional Electrical Systems
• New Construction and Renovation Projects
• High-Volume Contractor and Distributor Supply

Why RACO?

RACO builds the 911-16 adapter ring from steel for long-term durability in demanding commercial and institutional environments where device box accessories are subjected to frequent use and inspection. The red finish makes life safety and fire alarm circuits easy to identify in the field, while cULus Listing helps ensure the ring meets recognized safety standards for code-compliant installations. Supplied in a pack of 100, the 911-16 gives contractors and distributors a reliable, ready-to-stock steel accessory for square box installations across new construction and renovation projects.