FIELD: electrical engineering. SUBSTANCE: invention refers to cable boxes for armored cables which transmission elements pass inside central tube. Armors of cables subject to joining are mutually twisted under protective tube which covers area of joining. Covering spiral is put over them. EFFECT: enhanced operational reliability when used under conditions of permafrost thanks to increased flexibility and reduced thickness of box that diminishes frequency of injuries in area of joining, between cable and cable box. 19 cl, 5 dwg
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