标准摘要
[中文适用范围]： 指定封面的物理要求和测试。适用于刚性绝缘盖，包括 IEC 743 中描述的那些。不包括具有取决于定位间隙的介电耐受力的屏障。提供六类课程 [外文原描述]： Applies to rigid insulating covers for live working on a.c. installations, including those described in IEC 60743. The contents of the corrigendum of May 2000 have been included in this copy.
英文名称Rigid protective covers for live working on a.c. installations