Advance Centium ICN 2P32 N (2) Lamp F32T8 120 277 Volt Instant Start 0.89 Ballast Factor FIX_COLLECTI this ballast features side exit Style:Lense For LSP4 CC this ballast features side exit leads and mounting feet ENERGY EFFICIENT These instant on bulbs give off as much light as a 100 watt traditional bulb while only using 27 watts of power Operates (2) F32T8 lamps at 120 277 input volts Philips Advance low profile Centium T8 ballasts for standard and energy saving lamps are an optimal choice for a broad range of new construction and retrofit applications within the commercial sector including general office lighting and board room applications