EHVLine includes all cables and conductors of Network level 1 which are located outside of installations.
 
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Cable (extra-high voltage) 
Are very rare. Usually cooled with oil. 
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Overhead line (extra-high voltage) 
Goes from pole to pole and form the normal case. 
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Cross Bonding line (extra-high voltage) 
Connects the cable shield of the extra-high-voltage line to the CrossBondingBox. The cable is a LV cable, through which no current flows. 
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