RACO 257 4-11/16 in. Welded Square Steel Box, 2-1/8 in. Deep, Raised Ground

RACO 257 4-11/16 in. Welded Square Steel Box, 2-1/8 in. Deep, Raised Ground

The RACO 257 is a 4-11/16 in. welded square steel box engineered for conduit-based electrical wiring systems in commercial and industrial construction. Built with a welded steel body that is 2-1/8 in. deep, this box provides one 1/2 in. knockout plus fifteen 1/2 - 3/4 in. combination TKO's for flexible conduit entry, along with a raised ground feature for a secure, code-compliant grounding connection. The rugged welded construction and generous knockout layout make it a dependable choice for demanding conduit wiring applications.

Key Features

• Trade Size: 4-11/16 in. square footprint sized for standard conduit box installations and device mounting.
• Durable Construction: Welded steel body construction (Steel Box) delivers rugged, long-lasting performance in demanding commercial and industrial environments.
• Depth: 2-1/8 in. (2.125 in) deep design provides ample interior space for wiring, devices, and conduit terminations.
• Knockouts: One 1/2 in. KO and fifteen 1/2 - 3/4 in. combination TKO's provide flexible, field-configurable conduit entry points.
• Bracket Type: No Bracket configuration allows for direct surface or structural mounting without an integrated bracket.
• Wiring System: Engineered specifically for Conduit wiring systems.
• Raised Ground: Integrated raised ground feature supports a secure, code-compliant grounding termination inside the box.

Technical Specifications

• Product Type: Steel Box
• Product Size: 4-11/16 in
• Product Depth: 2.125 in
• Product Shape: Square
• Drawn or Welded: Welded
• Bracket Type: No Bracket
• Wiring System: Conduit
• Knockouts: 1/2 in;1/2 - 3/4 in Combination (TKO)

Typical Applications

• Commercial and Industrial Electrical Installations
• Conduit-Based Wiring Systems
• Junction and Pull Box Applications
• New Construction and Renovation Projects
• Panel and Device Mounting Enclosures

Why RACO?

RACO's 257 square box is built from welded steel for long-term jobsite durability, with a raised ground feature and a generous knockout configuration that simplify code-compliant conduit terminations. The combination of a welded steel body, 2-1/8 in. depth, one 1/2 in. KO, and fifteen 1/2 - 3/4 in. combination TKO's makes the RACO 257 a dependable, professional-grade choice for electricians working on commercial and industrial conduit wiring systems.