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by throw0101b 1135 days ago
> How would this boil water faster if it’s still the same wattage?

It wouldn't be the same wattage: it would be double the wattage.

The wiring can handle 15 or 20A, and at 120V that's a practical limit of 1800W. You keep the amperage limit (no cabling replacement needed), but 240V would allow 3600W.