One-, two-, and three-core installation wire, mark

Universal wires, fire-resistant, one-, two-, and three-core, with insulation and sheathing made of halogen-free polymer compositions, with copper conductors, nominal cross-section from 0.5 to 400 mm², with the number of cores from 1 to 3 inclusive, used for electrical installations for stationary installation in lighting networks, as well as for the installation of electrical equipment, machinery, mechanisms and machine tools for rated voltage up to 450/750 V inclusive, frequency up to 400 Hz or DC voltage up to 1000 V inclusive.