Posted by bc on April 24, 2021 at 07:32:37 from (104.128.42.35):
In Reply to: Why metal poles 2? posted by Geo-TH,In on April 24, 2021 at 05:43:57:
Saw one of the new laminated wood posts. They used them with the new 34 kv lines and poles where there is a change of direction or curve in the road. Engineer told me they don't need guy wires and I said yeah but when a car hits them they don't break.
We've had issues with lightning strikes, animal shorting out the wires, old insulators, and bad fuses that when they short out, they all end up burning down the wood pole. Problem is that those are the short, low power poles that aren't being replaced with metal.
I'm going to bet that the big metal high voltage poles don't snap off during ice storms causing major power losses to highly populated areas.
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