I just looked at some that I have. While there are no restrictions printed
on the package, there are three no-nos printed right on the ballast area of
the bulbs themselves. No contact with water, no totally enclosed fixtures,
and no dimmers.

Keith

wrote in message
oups.com...
It depends on what the mfg of the lamps in question would say about the
specific situation. I've never seen such a restriction with any of a
bunch of brands/ratings.

Heat dissipated by CFL is way less than with any tungsten. So little,
I'd obsess elsewhere, or not.