DIN EN 60383-2-1995 公称电压高于1000V的架空线路绝缘子.第2部分:交流电路系统绝缘子串和绝缘子装置.试验方法和验收准则
Insulators for overhead lines with a nominal voltage above 1000 V - Part 2: Insulator strings and insulator sets for a.c. systems; definitions, test methods and acceptance criteria (IEC 60383-2:1993); German version EN 60383-2:1995