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I do understand that the amperage is lower (half) for the same wattage.
So lets get this straight, V*A=W American 110V*15A=1650W "European" 220V*40A=8800W Having lived in both Europe and the US the 220V systems generally has a 10/16A fuse giving 2200/3520W, 550/1870W more than the "standard" American one. Going above this one tends to install 3-phase systems running at 380V @ 24-60A in Europe or 208V @ 30-60A in the US depending on the specific need. Try to deploy a high-density rack (15kW) with 110V it's so much fun compared to a 220/380V system...
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