MOT Current Measurement

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Matthew Smith by way of Terry Fritz <twftesla-at-qwest-dot-net>" <matt-at-kbc-dot-net.au>

Hi All

I wish to take current measurements of a microwave oven transformer 
(MOT).  I propose to short out the secondary with a a piece of wire 
around which I would place a clamp ammeter.  I would then put the clamp 
meter around one of the primary leads to measure input current.

1) Is this the correct procedure for taking transformer measurements?
2) How quick would I need to be taking measurements before the shorted 
secondary caused overheating?  (Assume a thirty degree Celcius ambient.)

Cheers

Matthew Smith