I’m watching this arborist on YouTube and they have a truck with a bucket on an arm so they can reach heights without climbing. On/after a rainy day the bucket will accumulate water and they mentioned they can’t drill a hole to drain because it will compromise the grounding.
My understanding of grounding/electricity doesn’t explain this. Can someone help me understand why this would make a difference?
Edit: I get it, I/he should have said “electrical isolation” instead of “grounding”. Either way, a hole allowing a stream of dirty water seems to be the answer here. Thanks 🙂
In: Physics
I think they are normally insulated instead of grounded. If they were grounded then it would give high voltage a path to arc through the boom arm to the ground.
I’m still not sure why a small hole would be a problem though. They might just refuse to certify the machine if there’s any damage to the bucket liner.
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