
Tests for electric cables under fire conditions. Circuit integrity. 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
出版:British Standards Institution

专家解读视频
This part of IEC 60331 specifies the test method for cables which are required to maintain circuit integrity when subject to fire and mechanical shock under specified conditions.
IEC 60331-1 : 1.0 - Identical
IEC 60331-1 : 1.0 - Identical
EN IEC 60331-1 : 2019 - Identical