IEC 61109:2008
架空线路用绝缘子.标称电压大于1000V的交流架空线路用复合绝缘子和耐张绝缘子.定义、试验方法和验收准则
Insulators for overhead lines - Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1000 V - Definitions, test methods and acceptance criteria