[email protected] wrote (in <[email protected]>) about 'EMC 
event Cardiff UK 20th October', on Tue, 4 Oct 2005:

>As you know, in general - and certainly in the case of the LVD  - 
>standards are but one way of showing compliance with the essential 
>requirements of Directives (safety objectives in the case of the LVD).  
>As such, EN 50366 (a standard already listed in the OJEC under the LVD) 
>cannot become 'mandatory'. {Tim, yes a typo}

Strictly, yes, in most cases there is an alternative route to show 
compliance with a Directive without applying a relevant standard. But, 
in the case of the standard EN 50366 and other similar standards that 
are in the pipeline, it seems extremely unlikely that a convincing case 
for compliance could be made without applying the standard. Is anyone 
thinking of trying?

Similarly, you COULD try to prove compliance with the LVD without 
applying EN 60065, EN 600335-2-X or EN 60950-1, among others, whichever 
is relevant to your product. But I think it would be so exceedingly 
difficult that **for all practical purposes** conformity to the relevant 
standard IS mandatory.

It would be very interesting to hear of any cases where compliance has 
been demonstrated without applying the relevant standard.

For EMC, the situation is not so certain; it may be possible to 
demonstrate compliance with the EMCD without applying relevant 
standards. But it is still very difficult.
-- 
Regards, John Woodgate, OOO - Own Opinions Only.
Deadlines are 90% of deadliness.
http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk

-
   2005 IEEE Symposium on Product Safety Engineering
             3-4 October   Schaumburg, IL
          http://www.ieee-pses.org/symposium


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