Hubbell SystemOne is an innovative system that provides consumers with the flexibility to create personal solutions for the most demanding multi-service applications for both flush in-floor boxes and fire-rated poke-through. Hubbell SystemOne features a unique universal cover assembly and a wide variety of application sub-plates that install on both Hubbell flush floor boxes and fire-rated poke-through. Now, whatever the application, Hubbell SystemOne delivers a consistent, aesthetic and functional solution for applications “in-the-floor” or “through-the-floor” for power, voice, data, and AV requirements. Accepts all Hubbell SystemOne covers and sub-plates. Excellent solution for both retrofit and new construction. Brings power, voice, data and multimedia precisely where needed. Installs in 4 inch core hole. UL listed for use in 1-4 hour fire rated floors. UL installation spacing. Minimum 2 feet on center and not more than one per 65 square feet of floor area. Through floor fitting with two 1-inch E.M.T. trade size conduit stems to feed power and communication services. For use with Hubbell SystemOne universal covers and all Hubbell sub-plates except S1SP4X4 and S1SPTL series. Universal cover and sub-plate ordered separately. 4-Hour fire classification. Step down installation clips allow the fitting to be installed or removed from the floor above. Fire barrier expands during fire conditions to maintain the floor’s fire rating. Adjustable lower fire barrier accommodates concrete floor thickness from 2.25-inches to 7-inches. Features E.M.T. conduit tubes for increased cable capacity.