GB 7251.5-1998
低压成套开关设备和控制设备 第五部分;对户外公共场所的成套设备 动力配电网用电缆分线箱(CDCs)的特殊要求
Low-voltage switchgear and controlgear assemblies Part 5: Particular requirements for assemblies intended to be installed outdoors in public places--Cable distribution cabinets (CDCs)for power distribution in networks