EN 60670-24:2013 家用和类似用途固定电气装置的电气附件盒和外壳 第24部分：外壳保护装置和其他功率耗散电气设备的特殊要求
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 24: Particular requirements for enclosures for housing protective devices and other power dissipating electrical equipment