GB/T 19216.21-2003

Tests for electric cables under fire conditions--Circuit integrity--Part 21: Procedures and requirements--Cables of rated voltage up to and including 0.6/1.0kV

在火焰条件下电缆或光缆的线路完整性试验 第21部分:试验步骤和要求 额定电压0.6/1.0 kV及以下电缆