Power cables VVGng(A) for voltage not more than 1 kV

Cable with copper core, with insulation made of polyvinyl chloride plasticate, sheath made of polyvinyl chloride plasticate of reduced flammability, unarmoured. Designed for transmission and distribution of electrical energy in stationary electrical installations, for operation in electrical networks of alternating voltage with earthed or insulated neutral. For operation at ambient temperature from minus 50?? to plus 50?? and relative air humidity up to 98% at temperature up to 35??. For group laying in cable constructions of external (open) electrical installations (cable trestles, galleries).