HUBBELL PT7FFSDGY 3" Core Hole Series Flush Fire Rated Poke-Through Unit Fabricated, 1-Service Furniture Feed, Standard 3 in Core Hole in Concrete Floor Gray

Fire-rated poke-through floor unit. Large capacity, Single-service furniture feed. Aluminium grey flange. PT71SD floor fitting. aluminium cover with (1) KO to accept a 3/4 inch connector. Painted aluminium flange. For use in 1 to 4 hour rated unprotected reinforced concrete floors or in 1 to 3 hour rated floors employing steel floor units and concrete topping (D900-series design) fire rating. 2.25 to 7 inch (over metal deck) floor thickness range. Minimum of 2 ft on centers and not more than one unit per 65 sq-ft of floor area in each span UL installation spacing. 3 inch diameter cored hole. 0.75 inch EMT conduit tubes. Flush aluminium service fitting housing.