IEC 60670-21:2024 家用和类似用途固定电气装置电器附件用外壳和外壳部件 - 第21部分：带有悬挂装置的外壳和外壳部件的特殊要求 Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 21: Particular requirements for boxes and enclosures with provision for suspension means 标准号：IEC 60670-21:2024 发布日期：2024-12-18
IEC 60670-21:2024