Hello Gert,

After watching the responses to your query for the last few days, and the
good humour offered too, I decided to see what I could find on the
subject. 

If you go to either of my two favorite search tools <www.raging.com> or
<www.google.com> and input the term   

stray voltage AND cows  

you will get a number of very good hits at the top of the pile of links
they locate. (Don't use any quote marks surrounding the term)

A quick read of a few of the papers indicates that cows are sensitive to
very low voltages (well below 30V) and very small currents. And, although
I didn't note any standards, per se, I did note a number of
recommendations. Apparently this is a well-known and long-studied area of
interest. 

Regards, Art Michael

Int'l Product Safety News
A.E. Michael, Editor
166 Congdon St. East
P.O. Box 1561 
Middletown CT 06457 U.S.A.

Phone  :  (860) 344-1651
Fax    :  (860) 346-9066
Email  :  i...@connix.com
Website:  http://www.safetylink.com
ISSN   :  1040-7529

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On Fri, 10 Nov 2000, CE-test - Ing. Gert Gremmen - ce-marking and more... wrote:


  [NON-Text Body part not included]



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