Home / Standards / GB/T 18213-2025 GB/T 18213-2025 Active Guide to the calculation of d.c. resistance of plain and coated copper conductors of low-frequency cables and wires 低频电缆和电线无镀层和有镀层铜导体直流电阻计算导则 Standard Type GBT ICS 29.060.20 CCS K13 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A