IEC 60331-21 Ed. 1.0现行
Tests for electric cables under fire conditions - Circuit integrity Part 21: 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
IEC 60331-21:1999 Specifies the test procedure and gives the performance requirement, including a recommended flame application time, for cables of rated voltages up to and including 0,6/1,0 kV required to maintain circuit integrity when subjected to fire under specified conditions. Describes the means of sample preparation, continuity checking arrangements, electrical testing procedure, method of burning cables and gives requirements for evaluating test results. It is intended to cover low voltage power cables and gives requirements for evaluating test results. It has the status of a horizontal standard in accordance with IEC Guide 104.
CEI 20-36/2-1 Ed. 1 (2002) - Identical
GOST R IEC 60331-21:2003 - Identical
PN IEC 60331-21:2003 - Identical
