Re: x-ray transformer questions

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

Original poster: "Malcolm Watts" <m.j.watts-at-massey.ac.nz> 

On 25 Sep 2004, at 17:59, Tesla list wrote:

 > Original poster: "Bert Hickman" <bert.hickman-at-aquila-dot-net>
 >
 > Hi Jack,
 >
 > It's too bad it's not a GE X-ray transformer, since NONE of GE's X-ray
 > or medical transformers ever contained PCB's. Also, your X-ray repair
 > tech appears to be correct - see the following thread for some more
 > interesting information:
 > http://www.industrycommunity-dot-com/myforum/mike_gray/messages/41.html
 >
 > Check the Pupman Tesla List archives for "PCB's" - you'll find a
 > number of posts that mention some simple tests for PCB's (does the oil
 > burn or does it float on water? If so it's not PCB's). The odds are
 > fairly good that your transformer contains mineral oil.
 >
 > Best regards,
 >
 > -- Bert --

Also, a flame test will show the presence of PCBs (chlorine in
particular) if the flame has a green tinge. It is a good idea not to
use copper wire for the test as that also produces some greenish hues.

Malcolm