GOST R 53501-2009

Carbon fibre. Methods for determination of volume resistivity

Acoustics. Measurement of room acoustic parameters. Part 2. Reverberation time in ordinary rooms

Specific test methods for insulating and sheathing polyethylene and polypropylene compounds of electric cables. Elongation at break after pre-conditioning. Wrapping test after pre-conditioning. Wrapping test after thermal ageing in air. Measurement of mass increase. Long-term stability test. Test method for copper - catalyzed oxidative degradation

Tests for electric and optical fibre cables under fire conditions. Circuit integrity. Part 25. Procedures and requirements. Optical fibre cables

Reliability in technics. Technological systems. Technical requirements for methods of reliability evaluation on productivity parameters

Metal-enclosed switchgear for rated voltages up to and including 35 kV. General specifications