Quote:
Originally Posted by Xaccers
You need approx 100mA across your heart to stop it (look up the case of the US Navy electrician who killed himself with a 9v multimeter)
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I just did. The crucial difference seems to be that he took one probe in each hand (and penetrated the skin). This means that the current would have passed (internally) from one hand to the other, passing through the heart on its way. If you break skin with a taser the current will take the shortest route between the prongs. The current may well exceed the 100mA needed to stop your heart, but it won't pass through the heart as it is extremely unlikely that it will be located on the shortest route. In fact, you'd probably have to taser the heart directly to get that effect.
Rule #1 when playing with currents. Don't ever hold a live wire with one hand whilst holding on to grounding with the other hand.