Tests for electric cables under fire conditions - Circuit integrity - Part 1: Test method for fire with shock at a temperature of at least 830 ¿C for cables of rated voltage up to and including 0.6/1.0 kV and with an overall diameter exceeding 20 mm (IEC 60331-1:2018); German version EN IEC 60331-1:
着火条件下电缆的试验.电路完整性.第1部分:额定电压0.6/1.0 kV及以下 总直径超过20 mm的电缆在至少830°C温度下的冲击着火试验方法(IEC 60331-1-2018);德国版本EN IEC 60331-1: