Just add to what Anomoly said, his calculations are actually double what they should be since the current has to travel through two layers of skin, once at the positive terminal and again at the negative terminal. Bottom line, you could stick your tongue to one terminal and hold your finger on the other and not get shocked. Lead poisoning maybe, but no risk of electrocution. This is coming from a second expert in the field matty, with a master's in EE.