60332-3-23-2009
Essais des c?bles électriques et des c?bles à fibres optiques soumis au feu – Partie 3-23: Essai de propagation verticale de la flamme des fils ou c?bles montés en nappes en position verticale – Catégorie B (Edition 1.1 Consolidated Reprint)

非常抱歉，我们暂时无法提供预览，您可以试试：免费下载 60332-3-23-2009 前三页，或者稍后再访问。

如果您需要购买此标准的全文，请联系：。

注意：点击下载后，生成下载文件时间比较长，请耐心等待......

适用范围: The series of International standards covered by Parts 3-10@ 3-21@ 3-22@ 3-23@ 3-24 and 3-25 of IEC 60332 specifies methods of test for the assessment of vertical flame spread of verticallymounted bunched wires or cables@ electrical or optical@ under defined conditions.NOTE For the purpose of this standard@ the term "electric wire or cable" covers all insulated metallic conductor cables used for the conveyance of energy or signals.The test is intended for type approval testing. The requirements for the selection of cables for testing are given in annex A. 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.This part of IEC 60332 covers category B and relates to cables installed on the test ladder to achieve a nominal total volume of non-metallic material of 3@5 l/m of test sample. The flame application time is 40 min. The method of mounting uses the front of the standard ladder. The category is intended for general use where medium volumes of non-metallic material are required to be evaluated.A recommended performance requirement is given in annex B.

60332-3-23-2009Essais des c?bles électriques et des c?bles à fibres optiques soumis au feu – Partie 3-23: Essai de propagation verticale de la flamme des fils ou c?bles montés en nappes en position verticale – Catégorie B (Edition 1.1 Consolidated Reprint)