I thought I read at some point that there is a harm in useing an oversized wire. I forget the application I read it in of course. I have vague rememberance reading it in N.C. Book.
So current in equals current out. Other than keeping it simple and neat I would get same reading on both loops. I understand from my quick search about ammeters that the meeter is specific to were it will go as far as positive or neg side?
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