RACO 8257 4-11/16 in. Welded Square Steel Box, Raised Ground

RACO 8257 4-11/16 in. Welded Square Steel Box, Raised Ground

The RACO 8257 is a 4-11/16 in. welded square steel box built for commercial and industrial conduit wiring systems. This box measures 2-1/8 in. deep and is fitted with one 1/2 in. KO plus fifteen 1/2 - 3/4 in. combination TKOs, giving installers multiple conduit entry options on a single enclosure. A raised ground feature is integrated into the box for reliable equipment grounding conductor termination, and the box carries a UL Listing for use in code-compliant electrical installations.

Key Features

• Trade Size: 4-11/16 in. square box footprint for standard conduit box layouts.
• Box Depth: 2-1/8 in. deep body provides ample interior wiring space for splices and terminations.
• Durable Construction: Welded steel square box construction for rugged strength in commercial and industrial settings.
• Knockout Configuration: One 1/2 in. KO plus fifteen 1/2 - 3/4 in. combination TKOs for flexible conduit entry from multiple directions.
• Wiring System: Designed for conduit wiring systems.
• Bracket Type: No Bracket, suited for direct conduit-supported mounting.
• Raised Ground: Integrated raised ground feature for secure grounding conductor attachment.

Certifications & Compliance

• UL Listed

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)
• Certified Listed: UL Listed

Typical Applications

• Commercial and Industrial Conduit Wiring Installations
• Junction and Pull Box Applications
• New Construction Electrical Rough-In
• Grounding Conductor Termination Points
• Panel and Equipment Wiring Enclosures

Why RACO?

RACO builds this 8257 square box with welded steel construction for lasting strength on the job site, and its raised ground feature supports proper grounding conductor termination for code-compliant work. With a UL Listing and a knockout layout that includes one 1/2 in. KO and fifteen 1/2 - 3/4 in. combination TKOs, this box gives electrical contractors a dependable, versatile enclosure for conduit-based wiring systems in commercial and industrial applications.