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In 1968 Bolivia, the only way you could shower is with these heated heads, because there were no hot water tanks. 220v, with exposed connectors.

So anyway I'm standing in the shower under one of these heads, feet in a puddle. I raise my arm to wash an armpit, and the back of my hand touches the bare connector.

It tingled a bit.

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Multiple people in the military in Iraq died in shower trailers on bases (2003-2008) due to improper wiring. I went into one where you could detect current in metal walls (not in the shower area, but an ungrounded piece of backsplash and shelving above sink...); I had someone stand in front of the door to keep people out and went over to the base electricians to yell at them.

I remember one summer camp I went to as a kid where the showers were "spicy". Much in the same way a 9 volt battery feels on your tongue. In hindsight... what the hell???

Yeah -- especially given that skin itself isn't a great conductor, for it to feel like 9v on (even wet) skin vs. on your tongue, it's substantially more than a 9v battery...

I visited Costa Rica this year and this is what the rental house had. Bit freaky.

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