SystemOne fire-rated poke-through 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 ft on center and not more than one per 65 sqft of floor area. Available with integral power junction box. Assembled-unit includes: Hubbell SystemOne AV floor fitting (S1PTAVFIT) and a Hubbell SystemOne sub-plate (S1SP3IM) to provide a 20A, 125V power outlet and a recessed 3-unit iSTATION™ opening. This comprehensive data/voice/audio/and video solution can accommodate 15-pin VGA, RCA, S-Video, 3.5mm stereo, and XLR microphone jacks.