IEC 60050-191:1990 International electrotechnical vocabulary; chapter 191: dependability and quality of service
IEC 60721-2-1:1982 Classification of environmental conditions. Part 2: Environmental conditions appearing in nature. Temperature and humidity.
IEC 60721-2-2:1988 Classification of environmental conditions. Part 2: Environmental conditions appearing in nature. Precipitation and wind
IEC 60721-2-3:1987 Classification of environmental conditions. Part 2: Environmental conditions appearing in nature. Air pressure.
IEC 60721-2-4:1987 Classification of environmental conditions. Part 2: Environmental conditions appearing in nature. Solar radiation and temperature.
IEC 60721-2-5:1991 Classification of environmental conditions; part 2: environmental conditions appearing in nature; section 5: dust, sand, salt mist
IEC 60721-2-6:1990 Classification of environmental conditions; part 2: environmental conditions appearing in nature; earthquake vibration and shock
IEC 60721-2-7:1987 Classification of environmental conditions. Part 2: Environmental conditions appearing in nature. Fauna and flora.
IEC 60721-2-8:1994 Classification of environmental conditions - Part 2: Environmental conditions appearing in nature - Section 8: Fire exposure
IEC 60721-3-0:1984 Classification of environmental conditions: Part 3: Classification of groups of environmental parameters and their severities. Introduction
IEC 60721-3-1:1997 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 1: Storage
IEC 60721-3-2:1997 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 2: Transportation
IEC 60721-3-3:1994 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities; section 3: Stationary use at weatherprotected locations