Buried directly buried in the cable buried in the ground, with a small investment, construction and cooling conditions and other advantages of good, is the most economical and widely used method of laying.
Side by side laying of cables between the need for a certain distance between the sand; Cable susceptible to corrosive substances in the ground erosion, and find fault and cable repair inconvenience, especially in the winter when the soil freezing accident repair difficulty Great. Suitable for underground accessibility, the soil does not contain severe acid, alkali, salt, corrosive media, cable less number of occasions.
Generally suitable for the laying of low voltage cables. 110kV and above the voltage level of the cable generally do not use buried laying.
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