适用于绝缘子串和由绝缘子串组成的绝缘子组 交流用陶瓷材料或玻璃制绝缘体。 标称电压大于1000 V的架空电力线 频率不超过100赫兹。 IEC 60383的本部分也适用于绝缘子串和 直流架空电力牵引线路用绝缘子组。 IEC 60383的本部分也适用于绝缘子串和 用于变电站时具有类似设计的绝缘子组。

Applies to insulator strings and insulator sets comprising string insulator units of ceramic material or glass for use on a.c. overhead power lines with a nominal voltage greater than 1 000 V and a frequency not greater than 100 Hz. This part of IEC 60383 also applies to insulator strings and insulator sets for use on d.c. overhead electric traction lines. This part of IEC 60383 also applies to insulator strings and insulator sets of similar design when used in substations.