IMon_GF Notes 1 Make all test points the same component Surface Mount 1 place all 350 V on BOT card, 48 V on TOP card 1 Mirror a 40 pin header 1 Place both 40 pin headers on exact centerline 1 Schematic changes to keep all 350V nets on top, all 48V nets on bottom 1 Fix nets which cross " divide " 1 Make a new C_1206 footprint and replace all instances ( spacing between pads >= 0.060" ) X Add more test points for unused connections on headers 1 Interchange pins 19/21 and 20/22 on headers 1 Add test points for bottom of boards 6 ea Pwr Gnd / 4 ea SW Gnd 1 Paper check all footprints ---0--- FR4 breakdown voltage Initial 800-900 Volts per mil After Aging 300 Volts per mil (http://pcb.iconnect007.media/index.php/article/53785/pcb101-fabricating-high-voltage-boards/53788/?skin=pcb ) ---0--- 17 Jan 2019 Boards arrived; all components fit ECO: Add connection for Seawater Ground