Brazilian electrical shower-heads use 20 to 30 amps max.
replyAt what voltage? (I understand Brazil has districts with both 127V and 220V mains.)
replyhttps://www.worldstandards.eu/electricity/plug-voltage-by-co...
Then they don't heat same volume to same temp, it's thermodynamics
replyYes but they are also less efficient because they don't have point-of-use placement
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