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RACO 233 4 in. Square Welded Steel Box, 2-1/8 in. Deep
The RACO 233 is a 4 in. square, welded steel box designed for conduit wiring systems, featuring a 2-1/8 in. deep body with two 3/4 in., two 1/2 in., and eight 1 in. knockouts (KOs) for flexible conduit entry. Built without a mounting bracket, this UL Listed steel box is engineered for durable, code-compliant electrical rough-in work. As part of RACO's line of steel outlet and junction boxes, the 233 provides a reliable enclosure for splices, wiring devices, and conduit connections in commercial and industrial electrical systems.
Key Features
- Trade Size: 4 in. square box for standard junction and outlet box applications.
- Durable Construction: Welded steel body for added strength and rigidity in conduit wiring systems.
- Depth: 2-1/8 in. deep to accommodate wiring devices and conductor fill.
- Knockouts: Two 3/4 in., two 1/2 in., and eight 1 in. KOs provide flexible conduit entry options.
- No Bracket: Bracket-free design for direct mounting in conduit-fed installations.
- Wiring System: Designed for use with conduit wiring systems.
- Square Box Format: Standard 4 in. square footprint suitable for device rings, mud rings, and covers.
- Welded Seams: Welded construction provides a solid, one-piece box body for long-term durability.
Certifications & Compliance
- UL Listed
Technical Specifications
- Product Type: Steel Box
- Product Size: 4 in
- Product Depth: 2.125 in
- Product Shape: Square
- Drawn or Welded: Welded
- Bracket Type: No Bracket
- Wiring System: Conduit
- Knockouts: 1/2 in;3/4 in;1 in
- Certified Listed: UL Listed
Typical Applications
- Commercial and Industrial Electrical Installations
- Conduit Wiring Systems
- Junction and Outlet Box Applications
- Splice and Pull Boxes in Conduit Runs
- New Construction and Renovation Wiring
Why RACO?
RACO's 233 square box is built with welded steel construction and is UL Listed, delivering the strength and code compliance professional electricians rely on for conduit-based rough-in work. Its multiple knockout configuration and durable, bracket-free design make it a dependable choice for demanding commercial and industrial electrical installations. Backed by RACO's reputation for quality steel electrical boxes, the 233 helps ensure long-lasting, reliable connections in demanding job-site environments.
Manufacturer Resources
Spec Sheet
Product Specs
- list_batch:
- RACO-20260916
- Product Type:
- Steel Box
- Product Size:
- 4 in
- Product Depth:
- 2.125 in
- Product Shape:
- Square
- Drawn or Welded:
- Welded
- Bracket Type:
- No Bracket
- Wiring System:
- Conduit
- Knockouts:
- 1/2 in;3/4 in;1 in
- Certified Listed:
- UL Listed