Any T8 bulb will fit and can be used in any T12 fixture, regardless of other
considerations. Obviously, the bulb has to be the same length. The T8 will
use less electricity and should make the same light as the T12.


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oups.com...
Thanks for the fast response djay! One little tid-bit of a question -
how do I know if my shoplight ballast has an electronic start? Thanks!