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Exception to the 'it isn't stupid if it works' Rule
(sh.itjust.works)
This was in a guesthouse bathroom, there was a showerhead pointed right at it.
This is a 20 amp circuit breaker, not only is it unprotected, when it failed someone bypassed it instead of replacing it with something correct. If you took a shower in the morning and water splashed on these open contacts you wouldn't need coffee to get your heart started.
Is it a suicide shower (the kind where an unprotected 3000W+ heating wire runs through the water) with disconnected ground? (A grill around the nozzles is connected to a ground wire that is supposed to prevent the current from flowing into your body, but it tends to trip GFCI/RCD so stupid desperate people disconnect it against the advice in the manual. If they were desperate but smarter, they would connect the grill to neutral instead to prevent GFCI/RCD from tripping while maintaining slightly better leakage prevention.)
No it wasn't one of those, though I have gotten a surprise from them a few times.
This was a small wall mounted unit with a thermoblock heater. There was no ground of course.