PDF Standards IEC 60331-3 Ed. 2.0 en:2018
Tests for electric cables under fire conditions – Circuit integrity – Part 3: 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 tested in a metal enclosure
standard by International Electrotechnical Commission, 03/28/2018