RACO 155 4 in. Drawn Steel Octagon Box with TS Bracket & AC/MC/Flex Clamps

RACO 155 4 in. Drawn Steel Octagon Box with TS Bracket & AC/MC/Flex Clamps

The RACO 155 is a 4 in. octagon box built from drawn steel, engineered as a durable enclosure for junction and outlet wiring in residential and commercial electrical systems. This box measures 1-1/2 in. deep and features two 1/2 in. knockouts for conduit or cable entry, along with integrated AC/MC/Flex clamps that allow direct termination of armored cable, metal-clad cable, or flexible conduit without additional connectors. A TS bracket, designed for mounting to metal or wood studs, simplifies installation in new construction or remodel framing. The RACO 155 is UL Listed for code-compliant electrical work.

Key Features

• Trade Size: 4 in. octagon box sized for standard junction and outlet box applications.
• Durable Construction: Drawn steel body provides consistent wall strength and long-term durability.
• Box Depth: 1-1/2 in. deep to accommodate wiring and device connections.
• Knockouts: Two 1/2 in. knockouts provide convenient entry points for conduit or cable.
• Wiring System Compatibility: Integrated AC/MC/Flex clamps secure armored cable, metal-clad cable, or flexible conduit directly to the box.
• Mounting Bracket: TS bracket type supports fast, secure installation on metal or wood studs.

Certifications & Compliance

• UL Listed

Technical Specifications

• Product Type: Steel Boxes and Covers
• Product Size: 4 in
• Product Depth: 1.5 in
• Drawn or Welded: Drawn
• Bracket Type: TS, for Metal or Wood Studs
• Wiring System: Armored Cable/Metal Clad/MCI-A/Flex
• Knockouts: 1/2 in
• Certified Listed: UL Listed

Typical Applications

• Junction and Outlet Box Installations
• Residential and Commercial Wiring Systems
• New Construction and Remodel Framing (Metal or Wood Studs)
• Armored Cable, MC Cable, and Flexible Conduit Wiring
• Ceiling and Wall Electrical Box Applications

Why RACO?

RACO electrical boxes are built from drawn steel for consistent strength and long-term durability in demanding installations. The RACO 155 combines a compact 4 in. octagon design with integrated AC/MC/Flex clamps and a TS mounting bracket for efficient, code-compliant installation. Backed by UL Listing, RACO products deliver the dependable performance trusted by electrical professionals on residential and commercial jobs.