FBRS4200R | Arlington Steel Fan Box Adjustable Bracket 20cu

The Arlington FBRS4200R Steel Fan & Fixture Box is a heavy-duty ceiling box designed for securely mounting ceiling fans and light fixtures in existing (old work) installations. Featuring a fully adjustable steel mounting bracket, this box installs between joists or rafters spaced from 16″ to 24″ on center, providing a fast and reliable retrofit solution. Constructed from plated steel, the FBRS4200R offers superior strength and durability with high load ratings for both fans and fixtures. The bracket’s locking mechanism grips securely into wood framing, ensuring a stable installation without the need for additional supports. With a 20 cubic inch capacity and integrated cable connector, this box is ideal for residential and commercial ceiling applications. Highlights Adjustable mounting bracket fits 16″–24″ joist spacing Heavy-duty plated steel construction for maximum durability Old work (retrofit) installation — ideal for finished ceilings High load ratings: up to 150 lb fixtures and 70 lb fans (16″ spacing) 20 cu. in. capacity for wiring space Octagon box design with multiple 1/2″ knockouts Pre-installed screws and cable connector for faster installation Specifications SKU FBRS4200R Manufacturer Arlington Industries Product Steel Fan & Fixture Box with Adjustable Mounting Bracket Type Old Work Ceiling Box Material Plated Steel Capacity 20 cu. in. Shape Octagon Knockouts 1/2″ Knockouts Mounting Adjustable Bracket (16″–24″ On Center) Box Depth 2″ Load Rating Up to 150 lb fixture / 70 lb fan (16″ spacing) Standards UL Listed, CSA Certified Application Ceiling fans and light fixtures in retrofit installations Documents Specification Sheet