Comparison between Overhead and Underground Transmission System
by
eees.in
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Compare Overhead and Underground transmission system
| Particular | Over head system | Under ground system |
| Public safety | Less safe | More safe |
| Initial cost | Less expensive | More expensive |
| Faults | Fault occur frequently | very rare chance of fault |
| Flexibility | More flexible | Less flexible |
| Fault location | Easily located | cannot easily located |
| Repairs | Easy | Difficulty |
| Useful life | Less | More |
| Maintenance cost | More | Less |
| Interference with communication line | More | Less |
| Appearance | Not good | Good |
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