Ключевые слова:
Electric cables, Insulated cables, Cable sheaths, Sheathed cables, Electrical insulating materials, Solid electrical insulating materials, Electrical insulation, Optical fibres, Polymers, Plastics, Polyvinyl chloride, Polyethylene, Type testing, Specimen preparation, Testing conditions, Low-temperature testing, Bend testing, Tensile testing, Elongation, Impact testing, Test equipment, Test specimens