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Originally Posted by Orion
Hmmmm, for example, I wonder how on earth a diver survives doing underwater arc welding at 300, 400, or even 1000 amps.
But, your point is well taken BI. One should exercise care with voltages and water, but it is not as cut and dry an answer as many people think.
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Underwater welding, or wet welding, is done with high current, low voltage DC power. The open circuit voltage is in the 10 to 50 volt range to protect the diver.
Low voltage appliances are cheap, easy to find and very safe. There is no sane reason to run 120 volts into the family swim area.