Home / Standards / GB/T 47024.1-2026 GB/T 47024.1-2026 Active Special test methods for electrical equipment at high altitudes—Part 1: AC/harmonic combined current 高原电工产品特殊试验方法 第1部分:工频/谐波复合电流 Standard Type GBT ICS 29.020 CCS K 40 Status 现行 Issue Date 2026-01-28 Implementation 2026-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A