Why does the bucket in a bucket truck need to be solid to maintain grounding?

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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

17 Answers

Anonymous 0 Comments

The bucket is made of a non-conductive material to prevent the operator from coming into contact with live electrical components. This insulation helps protect operator from electrical shocks or electrocution when working near power lines.

Water dripping out of a hole in the bucket would estabish an electrical pathway to where the operator is standing.

The purpose of the solid bucket is to maintain electrical isolation, not grounding. People just confuses the two.

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