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> All that static discharge is coming at the expense of the mechanical energy in the system is it not? I’m surprised they let it zap like that video and don’t try to recuperate it somewhere.

Yes, but while the voltage is very high, the energy stored is very low so I don't think it makes any sense to try recover it (there's probably much more energy being wasted by poor insulation of the heated offices or stuff like this).



I was thinking less of energy efficiency and more of containment. Possibly damage reduction.


Should the damage become a problem, they'd likely do it, but not until the damage proves more costly than the cost of preventing it.




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