GOST 10390-1986 Electrical equipment for voltages 3 kV and higher. Test methods of electric strength of external insulation in conditions of contamination
GOST 15150-1969 Machines, instruments and other industrial products. Modifications for different climatic regions. Categories, operating, storage and transportation conditions as to environment climatic aspects influence
GOST 1516.3-1996 Electrical equipment for a.c. voltages from 1 to 750 kV. Requirements for dielectric strength of insulation
GOST 15543.1-1989 Electrical and other industrial products. General requirements for environment climatic aspects stability
GOST 15963-1979 Electrical articles for tropical application. General technical requirements and methods of testing
GOST 1983-2001 Voltage transformers. General specifications
GOST 7746-2001 Current transformers. General specifications
GOST 9920-1989 A.c. electrical installations for voltage from 3 to 750 kV. Creepage distance of external insulation
GOST R 52565-2006 Alternating-current circuit-breakers for voltages from 3 to 750 kV. General specifications