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In a message dated 96-02-27 12:24:48 EST, tesla-at-grendel.objinc-dot-com writes:

>> Does anyone have any ideas on a semi-easy way to tell what the
>> maximum safe power output of the transformers are?
>This may sound really stupid, but how physically heavy is one of
>these units including the oil? I find you can tell a great deal
>about kVA power ratings from the approximate weight of the unit.
>Richard Quick
Perhaps you can get a good idea of the current rating of the secondary by
measuring the resistance of the secondary.  Some recent postings indicate 60
ma secondaries measure in the 5,000 to 7,000 ohm range with 30 ma
transformers twice that.  

Ed Sonderman