On 9/21/2020 11:30 AM, Bill Steffey NY9H wrote:
 i would say it depends which manufacturer makes the 
controllers/inverters......
 
 Overall system engineering also matters -- how the cables are run, are 
they in steel conduit, if not in conduit are they twisted pair, are the 
current loops tightly closed, etc.  Higher voltage, lower current also 
helps reduce noise and boost efficiency.
 take a drive by, and hope it's made and
 
certified in EU.
 
 
 Years ago I noticed some products made in EU had better EMC 
characteristics. Is that still true/
73, Jim K9YC
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