Me Grandpa Joe rented arc welding machines. The ones powered by electricity (we called them electric drives as opposed to gas drives, which had gasoline engines attached to the actual welding generator) needed 440 three phase current to run.
That's one powerful current. It could kill you dead. Needless to say, even us Cosgriffs took a disproportionate interest in safety around those babies.
As circumstances might demand we could be working on such a welder at the Shop or out in the field. Me Pops most emphatic piece of advice to me and my brothers as we worked in the business was simple and to the point. "Don't ever take anyone else's word that the power is shut off on an electric drive you're set to work on. Make sure for yourself that it is. And I mean don't take no one's word. Not even mine! If I tell you that a welder's disconnected, go see for yourself."
When a man tells you not to trust even him under such conditions, he means what he says.
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