For completeness, test everything.  Late Friday I had a fail in this test.  EUT 
and AE are both two wire, no ground brick power supply operated.  
Investigation begins Monday.  It is not a consumer product.


________________________________
 From: Wendy Nya <[email protected]>
To: EMC- PSTC <[email protected]> 
Sent: Sunday, February 5, 2012 11:15 AM
Subject: EFT Power Port  Coupling Paths
 

Dear Experts,
 
I checked several standards but they do not seem to dictate the coupling paths 
to test. The equipment that we have, has all seven coupling paths for 
single-phase power port: L-GND, N-GND, PE-GND, LN-GND, LPE-GND, NPE-GND, 
LNPE-GND. Is it required to test all? Where is it mentioned (standard)?
 
**I used to test all seven paths when testing consumer products. Now I am 
testing Industrial products and someone indicated to test only L-GND, N-GND, 
PE-GND.
 
Thanks & Regards,
WNya
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