I always assumed that the lower pressures at increased altitudes led to lower
breakdown voltages.

-Ken A.


On Fri, Feb 26, 2010 at 7:12 AM, Petrie, Craig D <[email protected]> wrote:


        
        Hello,
         
        Can anyone tell me the link between creepage/clearance and altitude?  
Why do
these values need increased at greater altitudes? 
         
        Regards
        Craig
         
        Craig D. Petrie
        Product Safety Engineer 
        
         
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This message is from the IEEE Product Safety Engineering Society emc-pstc
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