| 11. | But the government says replacing the towers with underground cables will cost too much.
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| 12. | The electricity is generated at voltages around 400 ESB network through 21 km underground cables.
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| 13. | Protests have erupted in several shantytowns demanding underground cables.
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| 14. | Design for 0.4-20 kV above-ground electrical lines or underground cable tray routing, and transformer substations.
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| 15. | What's more, foul weather can disrupt the signal, making it less reliable than underground cable.
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| 16. | Those are more susceptible to induction from lightning than shorter underground cables used in cities.
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| 17. | Copper is the dominant material in underground cables.
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| 18. | Almost all species are susceptible to attack; haustoria have even been found attached to underground cables.
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| 19. | A previously proposed costly project that would have replaced the underground cables is no longer necessary.
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| 20. | The tower was quickly made obsolete as telephone companies began using underground cables in urban areas.
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