There are many dangers associated with electricity. The real danger with electrical shock is amperage, not voltage. Although people have been killed by as little as 120-volt AC and low voltage DC, the silent killer is the amount of amperage in milliampers that flow through a person's body. Any electrical device is capable of dealing a deadly blow, depending on the amount of current flowing through it. In fact, a deadly dose of current in the 100-200 milliamperes range is likely a fatal amount.
...Source: http://electrical.about.com/b/2013/05/14/introducing-the-what-is-it-series-hint-shocking.htm
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