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I dealt with 400 cycle (Hz) power for many years, but that's a diversion. We're stuck with 60 Hz stuff for better or worse. And I won't use anything that's aluminum, unless there's no choice. I've also been involved with vibration measurements in all types of machinery.
Bottom line is, we seem to forget that if it vibrates, it will come loose, even though we're reminded of it everytime we take the rig out.
Always check critical systems, including electrical. A surge protector is nice, but even that can mislead you if you make assumptions. A cheap socket tester and visual inspection should be major items on your checklist that should not be skipped.
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