Home / Standards / GB/T 16895.33-2021 GB/T 16895.33-2021 Active Low-voltage electrical installations—Part 5-56: Selection and erection of electrical equipment—Safety services 低压电气装置 第5-56部分：电气设备的选择和安装 安全设施 Standard Type GBT ICS 91.140.50 CCS P63 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委