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m463 an hour ago

> electrical shower-head

Is that for electrically heated water?

I know that in the US on-demand electric water heater uses an enormous amount of electricity, like 100 amps.

kawera an hour ago | parent [-]

Brazilian electrical shower-heads use 20 to 30 amps max.

dtgriscom 36 minutes ago | parent | next [-]

At what voltage? (I understand Brazil has districts with both 127V and 220V mains.)

https://www.worldstandards.eu/electricity/plug-voltage-by-co...

idiotsecant 6 minutes ago | parent | prev [-]

Then they don't heat same volume to same temp, it's thermodynamics