Sylvania 49914 | QT2X32T8/277 ISH-SC 2 Lamp 277V T8 Ballast
Sylvania 49914 QT2X32T8/277 ISH-SC is a 2 lamp 277V T8 ballast. The dedicated voltage ballast is an instart start high factor ballast. Sylvania 49914 is high frequency with a power factor or 0.9. Sylvania QT2X32T8277 ISH uses parallel circuitry to keep the remaining lamps lit if one or more should go out.