IEC 60332-3-22:2018 redline现行
Tests on electric and optical fibre cables under fire conditions –
Part 3-22: Test for vertical flame spread of vertically-mounted bunched wires or cables – Category A
出版：International Electrotechnical Committee
专家解读视频
The series of International Standards covered by Parts 3-10, 3-21, 3-22, 3-23, 3-24 and 3-25This part of IEC 60332 specifies covers category A for methods of test for the assessment ofvertical flame spread of vertically mounted bunched wires or cables, electrical or optical,under defined conditions.This document 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. Thecategory is intended for general use where high volumes of non-metallic material are requiredto be evaluated.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 can be used to demonstrate the cable’s ability to limitflame spread.A recommended performance requirement is given in Annex B.NOTE For the purposes of this document the term "electric wire or cable" covers all insulated metallic conductor cables used for the conveyance of energy or signals.
NEN EN IEC 60332-3-22:2018 en - Identical
DS/EN IEC 60332-3-22:2018 - Identical
BS EN IEC 60332-3-22 : 2018 - Identical
PN-EN IEC 60332-3-22:2018-12 - Identical
