Originally Posted by Fireguy5674
Another thing to consider when sizing your conductors is the length of your run. For every 100' of wire length you should upgrade to the next wire size. If you have questions look up voltage drop tables to determine what the wire size should be for load and length of run.
I've heard 5% max volt drop from main load center to farthest outlet.
Wondering about your 100' rule, as I have been, I did a spreadsheet to test it.
Below, for 11.8A, for copper at 20C, for 200', 400' etc., loop distance (100', 200', etc., one way) for
100' one way, #14 the drop is 6v
200', #12, 7.5v
300', #10, 7.1v
400', #8, 6.0v
so it sort of works. Thanks.