标准摘要
[中文适用范围]： 部分被 IEC 60364-3 和 IEC 60364-4-41 取代。 [外文原描述]： Partly superseded by IEC 60364-3 and IEC 60364-4-41.
英文名称Electrical installations of buildings - Part 3: General requirements for installations - Chapter 1: Measures for protection for safety. Sections One to Three