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11:38 AM
@rdtsc Notice the first one at best only talks about cost, whereas the second link explains about short circuit current, temperature rise, ambient temperature. You can't compare the two without knowing all the parameters.
 
 
9 hours later…
8:41 PM
@rdtsc if you are really interested in doing this correctly, go to the copper society. They have a pdf book on exactly this.
 

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