IEC 60332-3-22:2000

Title

Language: EN Tests on electric cables under fire conditions - Part 3-22: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A

Language: FR Essais des câbles électriques soumis au feu - Partie 3-22: Essai de propagation verticale de la flamme des fils ou câbles en nappes en position verticale - Catégorie A

Abstract

Language: EN IEC 60332-3-22:2000 Specifies method of test for the assessment of vertical flame spread of vertically-mounted bunched wires or cables, electrical or optical, under defined conditions. The test is intended for type approval testing. The requirements for the selection of cables for testing are given. The flame spread is measured as the extent of damage of the cable sample. This procedure may be used to demonstrate the cable's ability to limit flame spread. Covers category A and relates to cables installed on the test ladder to achieve a nominal total volume of non-metallic material of 7 l/m of test sample. The flame application time is 40 min. The method of mounting uses the front of the ladder, a standard or wide ladder being used for cables having a conductor cross-section greater than 35 mm2 according to the number of test pieces required, and a standard ladder for conductor cross-sections 35 mm2 and smaller. The category is intended for general use where high volumes of non-metallic material are required to be evaluated. A recommended performance requirement is also given. It has the status of a horizontal standard in accordance with href="https://webstore.iec.ch/publication/7516">IEC Guide 104 .

Language(s)
Language: EN Language: FR
Edition
1.0
Date of issue
09.10.2000
TC 20
ICS Codes
13.220.40, 29.020, 29.060.20
Publication number
60332
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Mandatory Standard according current regulation Mandatory Standard according current regulation

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