Quote Originally Posted by bikepete View Post
Minor progress last night - opened up one of my donated Dell ATX PSUs and armed with a multimeter started looking around for the ground-to-case connection as per the various instructions around e.g. here. Aiming to link three PSUs to give a 36V 10A supply.
Just a note for anyone else planning to do this... a safety point that is not stated in the article referenced:

When connecting two or more supplies in series to give 24, 36, etc volts - the one that isn't modified (i.e. still has the case connected to the negative output) MUST be the bottom one in the stack. I know its probably obvious but its not explicitly stated and is a big omission IMHO..