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Fire-resistant armoured cables, not spreading combustion in group laying, with single-wire conductive cores of copper soft wire with cross-section from 0,20 to 2,50 mm², paired (with the number of pairs from 1 to 10) or bundled (with the number of cores from 3 to 20) twisting, with insulation made of fire-resistant organosilicon rubber, with a sheath of PVC plasticate of reduced fire hazard with low smoke and gas emission, with a screen of laminated aluminium foil, with armour in the form of a braid of galvanized steel wires, without protective hose, designed for operation at voltages up to 300 V inclusive alternating current frequency of 50 Hz.