re trace size for a amp supply r g keen rg futserv austin ibm com wrote a quick and dirty way to get higher current carrying capacity on pc board traces for one or few of a kind boards is to strip some romex house wiring cable to bare copper form the bare copper to follow the trace and solder it down and if it s not quick and dirty you can get bus bars that are stamped out with leads that insert in the pc board mark zenier markz ssc wa com markz ssc com
