SANS 60383-1-1993 公称电压高于1000V的架空线路绝缘子.第1部分:交流系统用陶瓷或玻璃绝缘子单元.定义,试验方法和验收准则
Insulators for overhead lines with a nominal voltage above 1 000 V Part 1: Ceramic or glass insulator units for a.c. systems - Definitions, test methods and acceptance criteria
Applies to insulators of ceramic material or glass for use on a.c. overhead power lines and overhead traction lines with a nominal voltage exceeding 1 000 V and a frequency not exceeding 100 Hz.