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
An insulated aerial device that you’re describing doesn’t have the bucket grounded. There are fiberglass sections in each portion of the boom. And the bucket is also fiberglass. This ensures no electricity from the line can reach the ground through you. Any holes in the bucket will compromise it’s dielectric qualities. Most buckets have a basket tilt function. This serves 2 purposes. Tilts the basket for easier emergency extraction of the person. And also you can dump the water out before you use it.
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