Received my (44) JASolar 370w panels for a grid tied system. It will have 4 strings of 11 panels with DC Voltage 408v and 10.2 amps per string. The PV wire on the panels are 12 AWG and have at least 50 fine strands (I did not count them all).
My electrical permit drawing also shows 12 AWG PV wire. When I look at buying 12 AWG PV wire, it has only 7 strands. If I buy 10 AWG PV wire it is available in 7 or 19 strands. My longest run for the PV wire is 30' in conduit.
Will I see much of a difference between 10 AWG and 12 AWG or is ok to buy the 12 AWG PV wire with 7 strands?
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There is a lot of great information here about hooking up a second solar panel. Thank you!
I have a 2021 Tab 320 Boondock with factory installed solar and no external port for plugging in. I want to get a 100W (or maybe 200W) Renogy suitcase panel with a Voyager PWM controller. Before I read the posts here, I called Renogy and asked if I can just clip the new panel to my battery posts. He said no because the Voyager controller will shut down if another controller is charging the battery. Can someone explain why he said this (in very simple terms) when so many posts here said it works fine when you do that.
My second question: I want to get a cable to connect to my battery posts to make it easier to hook up the alligator clips. Is there such a thing? If not, is it easy to change the existing alligator clips that come with the Renogy to something I can use (SAE or M4C)? And related to this, I searched amazon for cables and all the O-rings seem too small for the battery posts: 8mm positive and 15mm negative. Is this standard size? I don't have access to my Tab nor a car battery.
This might be an important point: There is no way I can install a second Victron controller or install anything in the battery tub. Not only do I not have the skill, I'm trying to keep cost down as well.
Thank you so much for your patience with these newbie questions.
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