Common test methods for insulating and sheathing materials of electric and optical cables. Part 4-2. Methods specific to polyethylene and polypropylene compounds. Tensile strength and elongation at break after conditioning at elevated temperature. Wrapping test after conditioning at elevated temperature. Wrapping test after thermal ageing in air. Measurement of mass increase. Long-term stability t
Electromagnetic compatibility of technical equipment. Railway systems and equipment. Part 4-2. Emission and immunity of telecommunication equipment. Requirements and test methods