Philips Advance Optanium® ballasts with step dim capability for t5 and T8 fluorescent lamps represent an affordable, energy efficient and versatile lighting solution designed to meet energy codes such as California's title 24 and ASHRAE 90.1-2010 that require end users to reduce lighting power consumption by 50%. Operating from any line voltage switching device, the ballasts programmed start circuitry provides extended lamp life in frequent switching applications like those associated with the use of occupancy sensors or motion detectors making this product the sustainable choice for many commercial applications.