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Old 07-02-2020, 03:45 PM   #24
bcrvman
Montana Master
 
Join Date: Jun 2020
Location: Qualicum Beach
Posts: 665
M.O.C. #26399
Quote:
Originally Posted by PNW Fireguy View Post
If you are using the OEM Jaboni MPPT charger supplies by Keystone you should know that the max rated wire size is 10 AWG not 4. Also the max output wire size is 8 AWG.

4 panels with 9 amps isc can produce greater amperage than the allowable ampacity for the factory wiring at 10 or 12 based upon continuous duty rating.
Using 8awg for the output would suffer 8.91% loss.
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2018 Keystone Montana 3811MS
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