Philips Advance low-profile Centium T8 ballasts are capable of driving standard 32W or energy saving 28W T8 lamps and are are a great choice for retrofit applications. This ballast can be used to retrofit parabolic and acrylic troffer fixtures or 8 foot strip fixtures to more energy efficient T8 lamps. The Advance ICN-4P32-N electronic fluorescent ballast operates (4) F32T8 lamps at 120/277 volts with a normal ballast factor.