China 'GB/Z 37754-2019
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/Z 37754-2019
Guidance on clearances and creepage distances in particular for distances equal to or less than 2mm—Test results of research on influencing parameters 关于确定不超过2mm距离的电气间隙和爬电距离的指南 对影响参数进行研究的试验结果
Issued Date:2019
Implemented Date:2020-1-1
Issued by:
The Standardization Administration of the People's Republic of China