Home / Standards / GB 14050-2008 GB 14050-2008 Active Types and safety technical requirements of system earthing 系统接地的型式及安全技术要求 Standard Type GB ICS 91.140.50 CCS K09 Status 现行 Issue Date 2008-09-24 Implementation 2009-08-01 Responsible Dept 工业和信息化部 Drafting Unit 工业和信息化部