Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 1: General requirements (IEC 60670-1:2015); German version EN IEC 60670-1:2021 + A11:2021
家用和类似用途固定式电气装置用电气附件盒和外壳.第1部分:一般要求(IEC 60670-1-2015);德国版本EN IEC 60670-1:2021+A11:2021