China 'DL/T 557-2005
' Industry standard english version:
DL
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
DL/T 557-2005
Insulators of ceramic or glass material overhead lines with a nominal voltage greater than 1000V-impulse puncture tests in air 高压线路绝缘子空气中冲击击穿试验―定义、试验方法和判据
Issued Date:2005-2-14
Implemented Date:2005-6-1
Issued by:
The Standardization Administration of the People's Republic of China
GB Standard Code
DL/T 557-2005
Standard Category
China Electricity & Power
Standards
GB Standard English Title
Insulators of ceramic or glass material overhead lines with a nominal voltage greater than 1000V-impulse puncture tests in air