RACO 229 BOX-LOC Series 4 in. Square Welded Steel Box with AC/MC/Flex Clamps

RACO BOX-LOC Series 4 in. Square Welded Steel Box with AC/MC/Flex Clamps

RACO's BOX-LOC Series 4 in. square welded steel box delivers a rugged, code-compliant enclosure for commercial and residential wiring installations. This UL Listed box is 1-1/2 in. deep and includes three 1/2 in. knockouts along with built-in AC/MC/Flex clamps for fast, secure cable termination without separate connectors. An MS bracket for metal stud framing supports flush-mount installation, making this box well suited for efficient rough-in work.

Key Features

• Trade Size: 4 in. square footprint with a 1-1/2 in. depth for standard rough-in box requirements.
• Durable Construction: Welded steel body forms a rigid, one-piece enclosure resistant to flexing and shifting during installation.
• Integrated Clamps: Built-in AC/MC/Flex clamps accept Armored Cable, Metal Clad, MCI-A, and Flex wiring without the need for separate connectors.
• Knockouts: Three 1/2 in. knockouts provide multiple entry points for conduit and cable runs.
• Mounting Bracket: MS bracket engineered specifically for metal stud framing, allowing quick, flush box placement.
• Series: Part of RACO's BOX-LOC Series of pre-engineered steel outlet boxes.

Certifications & Compliance

• UL Listed

Technical Specifications

• Product Type: Steel Box
• Product Size: 4 in
• Product Depth: 1.5 in
• Product Shape: Square
• Drawn or Welded: Welded
• Bracket Type: MS, for Metal Studs
• Wiring System: Armored Cable/Metal Clad/MCI-A/Flex
• Knockouts: 1/2 in
• Series: BOX-LOC® Series
• Certified Listed: UL Listed

Typical Applications

• Commercial and Residential Electrical Rough-In
• Metal Stud Wall Framing Installations
• Armored Cable (AC), Metal Clad (MC), and Flexible Conduit Wiring
• New Construction and Renovation Projects
• Flush-Mount Outlet and Device Boxes

Why RACO?

RACO builds this BOX-LOC Series box from welded steel for a durable, one-piece enclosure designed to withstand jobsite handling and long-term service. Integrated AC/MC/Flex clamps and a UL Listed rating help electrical contractors complete code-compliant rough-in work efficiently, while the dedicated MS bracket for metal stud framing reflects RACO's focus on purpose-built, application-specific hardware for professional installations.