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How Long Do Underground Power Lines Last? [Solved]
Underground high-voltage transmission lines have a life expectancy of 40+ years, while overhead lines have a life expectancy of more than 80 years.
Repairing Underground Power Cables Is Nearly Impossible
In 1989, this story about an
Why Every Power Line Isn’t Underground
Learn about the challenges
Underground Transmission Lines
Georgia Transmission explains why high-voltage
