Tig torch Duty Cycle, AC or DC

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Hi All,Does anyone know how are rated the tig torchs, Duty Cycle and Amperage?AC or Dc? How about the balance in AC current?Thanks in advance for you commentsMauricio
Reply:I have a WP-20 Watercooled torch and it will handle over 400 amps AC or DC all day....zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:I have air-cooled torch, and I think that in AC current, turning down the balance in order to obtain more cleaning action, the torch becomes hotter, so the Duty Cycle fall. but not sure....Mauricio