Physics · Power Systems

What is the primary economic advantage of overhead transmission lines compared to underground cables in power distribution networks?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Overhead lines provide superior electrical insulation and safety.
2Overhead lines have much lower initial construction and installation costs.✓
3Overhead lines have a significantly lower environmental and visual impact.
4Overhead lines offer better protection against moisture and environmental corrosion.

Correct answer

Overhead lines have much lower initial construction and installation costs.

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