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04-11-2004, 06:43 PM

wrote in message ...
On 3 Nov 2004 13:46:29 -0800, (Nick Wise)
wrote:

Can a 175 watt bulb be used in a 250 watt ballast?

Not for very long. Bulb and ballast are designed to work together as
a unit. The surface temp on the 175w bulb is approx 400 deg. C. If you
drive that with a 250 W. ballast , your'e going to expose yourself to
some serious safety issues. Unless your'e going for the Darwin Award.

You will get more bang for the buck if you go with T5 or CF type
lighting. IMHO

Not when you can get the ballast for free from work!