John Gardner wrote:
>
> Olin Lathrop wrote:
> > ...
> > Personally, I use compact flourescents except
> > where the bulb is turned on and off frequently...
>
> Is this hard on the light?  I've been using them for
> 7 years - They don't seem to last as long as claimed.
> Phillips 15W compact fluorescents used in my desklamp
> last about half the published lifetime.
>

My desk lamp has a three position switch for OFF - HALF - FULL. I did not open the switch but I
guess the half intensity is done with a diode. If my guess is right on the diode, IIRC these lamps
will not last very long if supplied with half cycle power.

> regards, Jack
>
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