Installation cable with tinned copper conductive

Cables for installation, not spreading combustion, including fire-resistant, with copper or tinned copper conductive cores with nominal cross-section from 0,35 to 6 mm² inclusive, with insulation and sheathing made of polymeric materials, with the number of cores from 1 to 61 inclusive, with the number of pairs from 1 to 44 inclusive, for rated alternating voltage up to 500 V of frequency up to 1 MHz or direct voltage up to 750 V, are intended for connection to stationary electrical devices, apparatus, devices, can be laid in rooms, channels, tunnels, ground (trenches), including places confirmed to be exposed to the influence of the influence of the voltage. including places confirmed to be exposed to stray currents.