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Old 11-06-2009, 08:56 AM   #25
firetrucker
Montana Master
 
Join Date: Oct 2004
Location: Gardnerville
Posts: 749
M.O.C. #2165
Well, John, it IS your topic!

Working with that calculator and some different scenarios, if you paired the panels on the roof, you could still use #12 with a 15 foot run, with 2% loss, at 10 amps. Then you'd only need to run six #12 wires to the combiner down below.

Bob
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