Ex Member Posted July 12, 2018 Share Posted July 12, 2018 The 255 is 3 phase. Not suitable for this. The smaller ones are multi voltage. You can plug them into a 120 or 208V or 240 V single phase supply and they will just work. They provide them with multiple plugs to work in different outlets. Most modern portable commercial welders work this way. North American standard residential wiring is 240 V split phase making 120 V or 240 V available. Commercial wiring is 480 or 600 V, 3 phase, with local transformers to supply low voltage at 120 V and 208 V, single phase. Quote Link to comment Share on other sites More sharing options...
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