Architectural · A-DRT7Z

Recessed Floorbox Installation Detail

Materials

Elements

Floors / Slabs Arches Waterproofing / Flashing

About this detail

A recessed floorbox model FL-500P-6 manufactured by FSR Inc. is installed within a concrete floor assembly. The floorbox is supported underneath by Unistrut channels, threaded rods, and concrete inserts, with conduits entering from all four sides and the bottom. A temporary construction cover is installed until the finished floor is applied, after which it is replaced with a flush lid whose finish is determined by the architect during the submittal phase. A voltage divider separates internal compartments, allowing 120VAC service to enter through designated knockouts. Fireproofing is applied to the underside of the box, gaps between the box and floor, and surrounding conduits.

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