When you say 220V wiring is #10, is that the main coming into the panel to feed all of those circuits? If that's the biggest wiring coming into & out of that panel, no matter what type of 'plugs' everybody is talking about, you may not have enough capacity to hook up all of those things in the first place. I'm also not reading anything about what size compressor your'e wanting to run, my T30 IR is a 5 HP unit, nothing less that a 50 amp breaker to it will do, wiring is at least #8. My 250 Miller Vintage Mig needs a 60 amp breaker with #6 wiring to the plug, a little less for the plasma. I have to have enough capacity for the welder/plasma to run & if the compressor kicks in at the same time while I'm working.
J.W.