IEC 60331-21 : 1.0现行
TESTS FOR ELECTRIC CABLES UNDER FIRE CONDITIONS - CIRCUIT INTEGRITY - PROCEDURES AND REQUIREMENTS - CABLES OF RATED VOLTAGE UP TO AND INCLUDING 0,6/1,0 KV
出版：International Electrotechnical Committee
专家解读视频
Gives the test procedure and performance requirement which includes a recommended flame application time, for cables of rated voltages up to and including 0,6/1,0 kV needed to maintain circuit integrity when subjected to fire under specified conditions. Describes the means of continuity checking arrangements, electrical testing procedure, method of burning and gives requirements for evaluating test results. Meant to cover low voltage power cables and control cables with rated voltage.
PN IEC 60331-21 : 2003 - Identical
SANS 60331-21 : 1ED 1999(R2013) - Identical
CEI 20-36/2-1 : 2002 - Identical
GOST IEC 60331-21 : 2011 - Identical
GOST IEC 60331-21 : 2011 - Identical
SANS 60331-21 : 1ED 1999(R2013) - Identical
CEI 20-36/2-1 : 2002 - Identical
PN IEC 60331-21 : 2003 - Identical
GOST R IEC 60331-21 : 2003 - Identical
