Quote:
Originally Posted by blazerj
What's the cost to make the wires underground for a certain stretch (her backyard, a few backyards...)?
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Retrofitting? Up to $1000/ft. You would likely be dealing with 3 utilities, you would need utility vaults at either end, the casing, the underground rated wiring, trench stabilization and the pulling through .
Another consideration about undergrounding: most electric codes specify that if a structure goes from overhead service to underground service then the structure has to be brought up to current electrical code before reconnection.