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Xringer · 10-18-12, 07:34 AM

I have both my 500 & 800 watt PV arrays using 2mm cable. IIRC, each of those cables is about 120 feet long.
There are some losses, but since they are less than 1% of the total power, there isn't any profit in worrying about it.
Especially with the price of copper..

10-18-12, 07:34 AM	#19
Xringer Lex Parsimoniae Join Date: Feb 2009 Location: Woburn, MA Posts: 4,918 Thanks: 114 Thanked 250 Times in 230 Posts	I have both my 500 & 800 watt PV arrays using 2mm cable. IIRC, each of those cables is about 120 feet long. There are some losses, but since they are less than 1% of the total power, there isn't any profit in worrying about it. Especially with the price of copper.. __________________ My hobby is installing & trying to repair mini-splits EPA 608 Type 1 Technician Certification ~ 5 lbs or less.. Last edited by Xringer; 10-18-12 at 07:52 AM..