Stop in for a cup of coffee

71340Duster said
We had 6 people in a tiny com room, 3 engineers, two junior ones. Lots of funny moments and "don't touch that" in substations. Had to show one of em how to turn on the coffee machine.
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DC power bus bars?

71340Duster said
Had to show one of em how to turn on the coffee machine.
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Hah! But they can compute pfd limits at cell edge in their head