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Because, if you touch a bare wire, and it has more than 500ma it can stop your heart. If not it just hurts a lot.

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12y ago

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By bare wires i presume that you mean wires not in closed in a protective sheath. As an experiment wires will have to be changed around quickly to see what the results of the connection produce. Once an experiment changes status to equipment production the regulations change to safety. The customer has to be protected from electrical shock. In an electrical experiment safety has to be the responsible of the person doing the experiment.


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