This guideline applies to the lightning strike protection of electronic equipment connected to outside lines, and cannot provide protection for equipment directly struck by lightning.
GB/T 7450-1987 history
2008GB/T 3482-2008 Lightning test method for electronic equipments
1987GB/T 7450-1987 Guidance for lightning protection for electronic equipments
GB/T 7450-1987 Guidance for lightning protection for electronic equipments was changed to GB/T 3482-2008 Lightning test method for electronic equipments.