GB/T 18380.12-2022
电缆和光缆在火焰条件下的燃烧试验 第12部分:单根绝缘电线电缆火焰垂直蔓延试验 1 kW 预混合型火焰试验方法
Tests on electric and optical fibre cables under fire conditions—Part 12:Test for vertical flame propagation for a single insulated wire or cable—Procedure for 1 kW pre-mixed flame
GBT18380.12-2022, GB18380.12-2022