Had an incident this summer in a fresh water lake regarding ESD (electro shock drowning, in this case) and we, as boaters, really need to be fully aware of what can happen when our vessels wiring gets screwy (or the marina's wiring!!). Anyway, I saw an item on Facebook the other day that was a yellow floating "detector" of ESD and showed a green light when all was safe but showed a red flashing light and emitted a loud siren if electrical current was detected . . . . . someone (won't say who) threw the paper away and now I can't find it on the Internet so that I can read up on it . . . . anybody seen anything like this?? Thanks for the help. 

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