What's critical for product safety isn't always critical for EMC - they are two 
compliance domains and 3rd party lab reports treat them as such.



While EMC involves assessment to regulatory limits for emissions (potential for 
interference) or immunity to external interference, product safety tends to 
address potential for electric shock, fire, and other hazards. EMC reports 
document EUT test setups, instrumentation used, etc to assure repeatability of 
test data, product safety reports conversely document critical components, and 
some EUT test setups.

One other point (for US based folks) - critical components are typically 
checked by the certifying agency versus the report during routine field 
inspections post-production, though such routine inspections aren't done for 
EMC. 



________________________________
 From: Scott Xe <scott...@gmail.com>
To: EMC-PSTC@LISTSERV.IEEE.ORG 
Sent: Wednesday, March 13, 2013 11:48 AM
Subject: [PSES] Critical component in EMC report
 

Critical component in EMC report 
It is common not to have critical component list in EMC reports issued from 3rd 
party laboratories.  Those information are essential to track if the correct 
parts to be used in mass production.  What is main reason not to have it as a 
common practice in the field?
>
>Thanks and regards,
>
>Scott
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