An article in papers several year ago discussed the bulb high in the
far reaches of the NY Opera House that had been burning for 40 years
and nobody had any idea where the switch was for it if there was one.

On Mon, 01 Aug 2005 02:21:26 -0500, wrote:

That 5000 hour rating means nothing as far as I am concerned.
And how is that measured? Is it supposed to be continuous use, or
ON/OFF total use? I heard that turning an indecesant bulb on and off
shortens their life. Is that also true with CFL bulbs?