ok so i recently picked up a used dell poweredge R610 it came with 2 507 watt redundant power supplies now i know i need 2 ac cables like the one in the pic my problem is i only have 3 all 3 of them are lavel as 120volt 10amp and the cord the connects the two plug ends is pretty thing not uber thin but deff not super thick i dont wanna power on the server without checking in first if you look at the cables in the pix below you can seer one is this thats an example of how thin mine are if i go to my local pc parts store what do i ask for so i make sure i buy the proper cable's