Heard a few people say it is the current that hurts, not the voltage. I have to disagree. Read more at: http://www.electroboom.com/?p=450 I use ALTIUM to design schematic and PCB, here’s 30% discount on the license: https://electroboom.com/Altium (affiliate link) Follow me on Facebook: http://www.facebook.com/ElectroBOOM Follow me on Twitter: https://twitter.com/ElectroBOOMGuy Supply used is a XANTREX XKW series supply By: Mehdi Sadaghdar