IEC 60331-31-2002 Tests for electric cables under fire conditions - Circuit integrity - Part 31: Procedures and requirements for fire with shock - Cables of rated voltage up to and including 0,6/1 kV
火灾条件下电缆的测试 电路的完整性 第31部分:火灾冲击程序和要求 额定电压0.61kV包括0.6kV电缆