How do Submarines, Planes, Ships, Spaceships, etc. Ground their electrical systems to prevent their entire surface from becoming an electrical hazard?
In: Engineering
I saw a video of workers doing maintenance on high tension wires that’s a good visual proof. A helicopter flies them up to the actual live wires (thousands of volts), they hang outside the helicopter with a long cabled rod tied to the helicopter chassis, then they clip on the live wire to get everything at the same potential. Then the workers get out onto the wire and start their day at work. Someone in the helicopter unclips and they fly away to pick them up later at the end of the work day.
[https://www.youtube.com/watch?v=9YmFHAFYwmY](https://www.youtube.com/watch?v=9YmFHAFYwmY)
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