Cable of increased fire resistance armoured for data transmission systems with twisted pair of insulated silicon-organic rubber copper single-wire conductive cores with diameter from 0,50 to 1,75 mm with the number of pairs from 1 to 4, with additional barrier in the form of winding "eight" polyimide film in the twisted pair, with additional thermal barrier over the core in the form of winding of mica-containing tape, with a screen made of laminated aluminium foil, with a sheath and protective hose made of polyvinyl chloride plastic of reduced fire hazard with low smoke and gas emission and low toxicity of combustion products, with armor in the form of a braid of galvanized steel wires, for rated voltage up to 300 V inclusive alternating current frequency of 50 Hz, for single and group laying.
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