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P3D Re: TDC 116

  • From: michaelk@xxxxxxxxxxx (Michael Kersenbrock)
  • Subject: P3D Re: TDC 116
  • Date: Tue, 2 Jun 1998 20:33:27 -0700
> I have measured current during
> operation of 500W and 750W blubs and the calculated power did not match
> any of the two.  In both cases it was lower.  Why is that?

What was the voltage at the base of the lamp at the time (when
the current was being measured by whatever apparatus was being used)?  
Was the voltage *at the bulb* the rated voltage?

What's the tolerance of the bulb's wattage rating, just generally speaking?

Mike K.


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