Over the next 10 years, more than 300 kilometers of new high voltage transmission cables are to be added to the National Grid. Most of the new cables will be suspended from pylons and run overhead while the rest will be buried underground. Outline the advantages and disadvantages of both overhead transmission cables and underground transmission cables.
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under ground transmission
Advantage
The place will be safe because the wire will run Underground and there will be no problem due to high wind and the problem of falling of poles can be eliminated
Disadvantages
The wiring can be disturbed by earthquake flood etc
on poles
Advantage
the wire will get a new strength due to pylons
Disadvantages
The problem of falling of poles or the falling of lighting
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