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sklademVydáno: 1999-04-28
IEC 60331-21:1999
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
Essais de câbles électriques soumis au feu - Intégrité des circuits - Partie 21: Procédures et prescriptions - Câbles de tension assignée jusque et y compris 0,6/1,0 kV
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| Označení normy: | IEC 60331-21:1999 |
| Vydáno: | 1999-04-28 |
| Jazyk: | Anglicky/Francouzsky |
DESCRIPTION
IEC 60331-21:1999
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.