This standard specifies the classification of environmental parameters and severity of environmental conditions to which electrical and electronic products (hereinafter referred to as "products") are exposed during transportation, storage, installation, and use.
JIS C 60721-1:1995 history
2009JIS C 60721-1:2009 Classification of environmental conditions -- Part 1: Environmental parameters and their severities
1995JIS C 60721-1:1995 Classification of environmental conditions Part 1: Classification of environmental parameters and their severities