Aluminiy elektr o'tkazuvchi sim, polivinilxlorid plastikasidan izolyatsiya, past yonuvchanlikdagi polivinilxlorid plastikasidan qoplama. Ochiq kabel inshootlarida (eshtakada, galereya) mexanik ta'sirlar bo'lmagan holda kabellarni o'rnatish uchun, yonuvchan yukni hisobga olib.
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