IEC 60331-1:2018
电缆在着火条件下的试验.电路完整性.第1部分:额定电压高达(和包括)0.6/1.0 KV,全径大于20 mm的电缆在温度不低于830°C的冲击火焰下的试验方法
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