Yes I'm sure it must be cheaper since there is definitely no other advantage in it but I wouldn't risk my life every time I took a shower even if I saved some money.
Are water heaters terribly expensive in Brazil? Because here for a 100 litre one that more then cover your need for a shower you'll have to pay from about 250 USD and up depending on quality.
To explain my horror at learning this I should explain that in Sweden no electrical sockets above small 110 V ones meant for electrical razors where even allowed in bathrooms at all until the late 1990's and even then I didn't even see a regular socket that carries main current (which is 230 V in Sweden) in any bathroom until just a few years ago. People simply didn't want them anywhere near bathrooms.
Electrical regulations used to be very strict in bathrooms and where only relaxed when we joined the European Union to match up with looser EU standards.
The very idea that you have plug-in sockets usable for main electrical appliances in a bathroom is breathtakingly dangerous as it's easy to see how people plug in their standard hairdryers and if you drop that in the bathtub or you have any contact to current in your hand you practically always connect the circuit to ground when you're in a wet bathroom.
Wet feet on wet tiles, easy access to ground everywhere - it's a really bad place to have live current in anything but wallmounted, watertight casings.
So to me this idea of electrified showerheads comes as a complete surprise.
Please don't take this as me knocking Brazil or anything - you do this your way and you're used to it - but it's just SO dangerous I'm really surprised that it's allowed anywhere.
Thank you for all the information - it's been interesting learning this fact of life (and death)! ;-)
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@warpfactors
Yes I'm sure it must be cheaper since there is definitely no other advantage in it but I wouldn't risk my life every time I took a shower even if I saved some money.
Are water heaters terribly expensive in Brazil? Because here for a 100 litre one that more then cover your need for a shower you'll have to pay from about 250 USD and up depending on quality.
To explain my horror at learning this I should explain that in Sweden no electrical sockets above small 110 V ones meant for electrical razors where even allowed in bathrooms at all until the late 1990's and even then I didn't even see a regular socket that carries main current (which is 230 V in Sweden) in any bathroom until just a few years ago. People simply didn't want them anywhere near bathrooms.
Electrical regulations used to be very strict in bathrooms and where only relaxed when we joined the European Union to match up with looser EU standards.
The very idea that you have plug-in sockets usable for main electrical appliances in a bathroom is breathtakingly dangerous as it's easy to see how people plug in their standard hairdryers and if you drop that in the bathtub or you have any contact to current in your hand you practically always connect the circuit to ground when you're in a wet bathroom.
Wet feet on wet tiles, easy access to ground everywhere - it's a really bad place to have live current in anything but wallmounted, watertight casings.
So to me this idea of electrified showerheads comes as a complete surprise.
Please don't take this as me knocking Brazil or anything - you do this your way and you're used to it - but it's just SO dangerous I'm really surprised that it's allowed anywhere.
Thank you for all the information - it's been interesting learning this fact of life (and death)! ;-)