Hot dipped galvanized bolts
I am using "Z" footings with IR aluminum angles to attach the IR rails to a metal roof (not a standing seam type). I have lots of galvanized 3/8" bolts/nuts/washers that can be used for these connections. Can I use these or should I "pay the price" for SS bolts/nuts?
3850 watts - 14 - 275SW SolarWorld Panels, 4000 TL-US SMA Sunny Boy Grid tied inverter. 2760 Watts - 8 - 345XL Solar World Panels, 3000 TL-US SMA Sunny Boy GT inverter. 3000 watts SMA/SPS power. PV "switchable" to MidNite Classic 250ks based charging of Golf cart + spare battery array of 8 - 155 AH 12V Trojans with an APC SMT3000 - 48 volt DC=>120 Volt AC inverter for emergency off-grid. Also, "PriUPS" backup generator with APC SURT6000/SURT003 => 192 volt DC/240 volt split phase AC inverter.
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