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Originally Posted by dieseldiehard
The fallacy of this kind of thinking is that the resistance enters the formula. ...
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True, but what about conditions that lower the skin's resistivity, ie sweat, rain, wet clothes, engine fluids and puddles, etc. Don't think for a minute that you cannot get seriously hurt from 12 volt battery voltage. Remember, that storage battery is capable of delivering several hundred to over a thousand amps when shorted... It takes about 70 milliampres to stop the human heart, IIRC.
And the jewelery... Ask anyone who has had the displeasure to have a piece of jewelery (a ring, for instance) short out on a 12 volt circuit. I have an employee who refused to remove his wedding band. One day, while tightening up a battery (12 volt 4D) with a crescent wrench, he had the misfortune to let the ring complete a circuit from his wrench to ground... Several weeks of painful recovery from surgery was his constant reminder...