I've got a switchable 110/240-50/60Hz powersupply that's set-up for 240 right now. I need to swap the plug from one of these:

|
/

to one of these:

O
| |

Do the hot/common/ground wires line up the same way in both plugs?

It's running a 3A mains fuse right now, which I will replace with a 6A. Do I need to double the fuse values on the 4 supply voltages as well?

TIA for any tips..