Home / Standards / GB/T 22577 GB/T 22577 Active Class 1E cables for nuclear power generating stations—General requirements 核电站用1E级电缆 通用要求 Standard Type GBT ICS 29.060.20 CCS K 13 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国电器工业协会 Drafting Unit 中国电器工业协会