Power cable laying way, not at the same time, should choose different cable directly buried installation with an armored and anticorrosive layer of the cable should be used, indoors, ditch and tunnel laying cable should be used in flame retardant or non-flame retardant crosslinked polyethylene armored cable, ensure no external mechanical forces, can choose no armored cable, easy to have the vibration area must be used, armored cable under the condition of under pressure, steel armored cable should be chosen.
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