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The THOMAS BETTS FDC12-TB is a 2-gang iron rectangular device box designed for standard electrical rough-in applications. Built from iron construction, this device box provides a durable enclosure for duplex receptacles, switches, and similar wiring devices in residential and light commercial installations. Two 1/2-inch knockouts are included for conduit or cable entry, giving installers flexible routing options. At 4.08 pounds, the box offers solid, rigid mounting suitable for standard stud-framed or masonry wall assemblies. Licensed electricians and electrical contractors install this box as part of a compliant branch-circuit rough-in.
This device box is suited for interior, non-weather-resistant applications such as standard residential wall assemblies, light commercial partition walls, and retrofit electrical work. The 2-gang configuration accommodates side-by-side wiring devices within a single enclosure, reducing the need for multiple single-gang boxes in multi-device locations. The included 1/2-inch knockouts support common conduit trade sizes used in EMT and Romex installations.
Designed as an OEM-style replacement and standard rough-in component for 2-gang rectangular device box applications in residential and light commercial electrical systems.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. De-energize the branch circuit at the panel before beginning work and verify the absence of voltage with a suitable tester. This box is rated for non-weather-resistant, dry interior use only and must not be installed in wet or damp locations without an appropriately rated enclosure. Secure the box to framing or masonry using fasteners appropriate for the substrate before pulling conductors.
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