Abb 643 3-gang Adjustable Floor Box Steel City

Product Description

The ABB 643 is a 3-gang adjustable floor box from the Steel City product line, designed for in-floor electrical installation in commercial and light industrial environments. This box accommodates three gangs of wiring devices and features an adjustable design that allows for depth compensation during concrete pours or finish floor installations. Licensed electricians install this type of floor box when routing power, data, or low-voltage circuits through concrete or wood subfloor assemblies. At 5.1 inches by 11.5 inches by 6.5 inches, it provides a substantial footprint suitable for multi-circuit applications.

The ABB 643 is suited for commercial office buildings, schools, retail spaces, and other environments where floor-mounted electrical access is required. The adjustable construction makes it appropriate for slab-on-grade pours as well as raised floor systems. It is typically specified by electrical contractors working from construction documents that call for flush in-floor power distribution at workstations or open floor plan areas.

Key Features

• 3-gang configuration supports multiple wiring devices in a single floor box assembly
• Adjustable design allows depth compensation to align flush with finished floor surface
• Steel City product line construction suited for concrete and wood subfloor applications
• Compact footprint of 5.1 inches x 11.5 inches x 6.5 inches fits standard floor box rough-in layouts
• Single-unit pack simplifies job-site ordering and inventory

Compatibility

Designed as an OEM-style replacement or new-installation floor box for 3-gang in-floor electrical assemblies requiring an adjustable steel box in commercial or light industrial construction.

Installation Notes

Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes governing in-floor raceway and box assemblies. De-energize all circuits in the work area before beginning installation or making device connections. When setting the box in concrete, confirm the adjustable ring is positioned to achieve flush alignment with the anticipated finished floor elevation before the pour sets. Use appropriate conduit fittings and sealants as required by the installation environment to maintain the integrity of the assembly.

Technical Specifications

• Gang Configuration: 3-Gang
• Length: 5.1 inches
• Width: 11.5 inches
• Height: 6.5 inches
• Package Quantity: 1 per pack
• UPC: 78599161824

Standard Information

• Brand: ABB
• Manufacturer Part Number: 643