The ballasts I have are labled for "T12" so that's OK. They work swell for
2 bulbs. I wired one as a test for a single bulb and it seems OK as well.

I also have some electronic ballast for "T8" and did on test on a "T12"
bulb. Also seemed to work fine.

Apart from wattage/current capacity, why would a T8 ballast differ from a
T12?




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