Why is it that high voltage transmission lines do not short to earth during torrential rainfall?

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I would love to understand why HV lines don’t carry the voltage required to break the resistance to earth in very heavy rain. Is rain water pure water with low conductivity? Or are the air gaps too much for the voltage?

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Anonymous 0 Comments

In general electricity wants to travel with the lowest resistance possible and thanks to insulation the lowest resistance path is between the copper cables inside it.

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