I don't know much about electricity yet... but it sounds like a pretty simply job.
Not at all, ampere don't kill you. Even heard about someone being electrocuted by a car battery? I guess not. And you can easly get hundreds of Amperes out of them
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This is not quite accurate. Amperes DO KILL... 0.1amps crossing the heart is enough to cause it to fibrillate. 1amp is enough to shut the cardiovascular system down. Voltage does not kill...it is the amps that the voltage is pushing that kills. Voltage is only a potential difference - the flow of electron is what causes current (amps).