In message <[email protected]>, 
dated Wed, 8 Mar 2006, Camille Good <[email protected]> writes
>1) My understanding of the interrelation between different IEC 
>standards is that IEC 60664-1, Insulation coordination for equipment 
>within low-voltage systems, is considered to be a basic standard for 
>creepage & clearance requirements, and while some end-product standards 
>(like 61010 & 60950) might have insulation requirements specific to the 
>end-product environment or application, IEC 60664 is the beginning 
>point for the insulation, creepage & clearance requirements. Is that 
>understanding correct, or am I missing something?

Yes.
> 
>2) If I am looking at an IEC end-product standard, and there is an 
>insulation issue that is not clearly defined, is it acceptable to look 
>at the IEC 60664 series for guidance? 

Please tell us about the 'not clearly defined' issue. It isn't safe to 
say 'yes, use IEC 60664' without knowing the circumstances.
-- 
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk
2006 is YMMVI- Your mileage may vary immoderately.

John Woodgate

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