RACO 270RAC Welded Concrete Ring, 4 in. Deep, Single-Row 1/2 & 3/4 in. KO's

RACO 270RAC Welded Concrete Ring, 4 in. Deep, Single-Row 1/2 & 3/4 in. KO's

The RACO 270RAC is a welded concrete ring engineered to extend electrical box depth in poured concrete floor installations, adding 4 in. of usable depth to accommodate conduit and wiring below grade. Built as part of RACO's Steel Boxes and Covers product family, this ring features a single-row knockout pattern with 1/2 & 3/4 in. KO's for flexible conduit entry, and it carries a UL Listed rating for code-compliant commercial and industrial installations. The welded steel construction provides the rigidity needed to withstand the pressure of poured concrete while maintaining proper box alignment during the pour. This welded ring is designed to integrate with standard RACO steel boxes, maintaining a secure, code-compliant connection point during concrete placement.

Key Features

• Ring Depth: 4 in. deep design extends box height for below-grade and floor box installations.
• Durable Construction: Welded steel body from RACO's Steel Boxes and Covers line resists the stress of poured concrete for long-term reliability.
• Single-Row Knockouts: 1/2 & 3/4 in. KO's arranged in a single row for straightforward conduit entry and alignment.
• Welded Seams: Fully welded ring construction for added structural integrity when embedded in concrete.
• Product Depth: 2 in. component depth as specified for proper fit within the concrete pour.
• UL Listed: Certified for use in code-compliant commercial and industrial electrical installations.

Certifications & Compliance

• UL Listed

Technical Specifications

• Product Type: Steel Boxes and Covers
• Product Depth: 2 in
• Certified Listed: UL Listed

Typical Applications

• Concrete Floor Box Extensions
• Underfloor and Below-Grade Electrical Installations
• Commercial and Industrial Slab Construction
• New Construction Floor Box Depth Extension
• Conduit Entry via 1/2 & 3/4 in. Knockouts
• Floor Box Depth Adjustment in Commercial Buildings

Why RACO?

RACO's 270RAC welded concrete ring reflects the brand's reputation for rugged, code-compliant steel electrical products. The welded steel construction and UL Listed rating give installers confidence that the ring will perform reliably once embedded in concrete, supporting proper box depth and conduit alignment for the life of the installation.