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bob3nliz
11-16-2010, 03:42 AM
I have two 80 watt sunforce panels need to run about 25 feet of wire to controller they gave me 14 ga I will use it from panel to panel - then need to run 25 feet from 160 watt the two panels now wire together to controller what ga wire should I use ? :?: Thank you bob

Chuck v
11-16-2010, 07:26 PM
Bob,

The combined output of the two panels at 160 watts is well under 15 amps, so you can use either 12 or 10 gauge wire. The #10 will have less than a half a volt drop in the run you describe...

Here is a good on-line calculator for such issues:
http://www.nebulan.net/solar/voltagedrop.asp

Chuck

bob3nliz
11-16-2010, 08:22 PM
Chuck
. I bookmark online calculator for future. Thanks again. Bob :)