Most ballasts are designed to operate at specific voltages. Newer electronic ballasts, including Philips Advance models that use IntelliVolt technology, offer much greater flexibility and ot
For use with one or two high output bulbs - F48T12/HO, F60T12/HO, F72T12/HO or F96T12/HO. Minimum start temperature -20 degrees. 120-277 volt. UL and CSA listed.