IEC 60331-1 : 1.0
IEC 60331-1 : 1.0
TESTS FOR ELECTRIC CABLES UNDER FIRE CONDITIONS - CIRCUIT INTEGRITY - PART 1: TEST METHOD FOR FIRE WITH SHOCK AT A TEMPERATURE OF AT LEAST 830 DEGREES C FOR CABLES OF RATED VOLTAGE UP TO AND INCLUDING 0,6/1,0 KV AND WITH AN OVERALL DIAMETER EXCEEDING 20 MM
International Electrotechnical Committee