DIN EN 61952-2009 架空电线用绝缘子 标称电压大于1000V的交流系统用复合线柱绝缘子 定义、试验方法和验收标准
Insulators for overhead lines - Composite line post insulators for A.C. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria (IEC 61952:2008); German version EN 61952:2008