Underground electric transimission lines
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[LEFT]Introducti**
This overview c**tains informati** about electric transmissi** lines which are installed underground, rather than overhead ** poles or towers. Underground cables have different technical requirements than overhead lines and have different envir**mental impacts. Due to their different physical, envir**mental, and c**structi** needs, underground transmissi** generally costs **** and may be **** complicated to c**struct than overhead lines. Issues discussed in this pamphlet include: Types of Underground Electric Transmissi** Cables Ancillary Facilities C**structi** and Operati** C**siderati**s Costs Repairs [/LEFT] |
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