I got 2 used ballasts from someone, who was using each of them to light 2 55W PC bulbs.
The spec:
Work Horse 5
Model No.: WH5 - 120 - L
Approved for Lamp of combination of 128 Max. Watts of: CFS/4P, CFT/4P, CFQ/4P, CFM/4p, Circline, Linear T5HO, T8, T8HO, T10, T12, T12HO
So does that mean...