Home / Standards / GB/T 16895.20-2017 GB/T 16895.20-2017 Active Low-voltage electrical installations—Part 5-55:Selection and erection of electrical equipment—Other equipment 低压电气装置第 5-55 部分：电气设备的选择和安装 其他设备 Standard Type GBT ICS 91.140.50 CCS Q77 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委