Tests on electric and optical fibre cables under fire conditions Test for vertical flame spread of vertically-mounted bunched wires or cables. Category A

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Hardcopy , PDF

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English

Published date

19-10-2018

Publisher

British Standards Institution

This part of IEC60332 covers categoryA for methods of test for the assessment of vertical 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 7l/m of test sample. The flame application time is 40min. 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 35mm 2 according to the number of test pieces required, and a standard ladder for conductor cross-sections 35mm 2 and smaller. The category is intended for general use where high volumes of non-metallic material are required to be evaluated. The test is intended for type approval testing. The requirements for the selection of cables for testing are given in AnnexA. The flame spread is measured as the extent of damage of the cable sample. This procedure can be used to demonstrate the cable’s ability to limit flame spread. A recommended performance requirement is given in AnnexB. 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.

Committee	GEL/20/18
DocumentType	Standard
ISBN	9780580943287
Pages	18
ProductNote	This Standards also refer IEC TR 60332-3 : 1992
PublisherName	British Standards Institution
Status	Current
Supersedes	BS EN 60332-3-22:2009

Standards	Relationship
IEC 60332-3-22:2018	Identical
EN 60076-18 : 2012	Identical
EN IEC 60332-3-22 : 2018	Identical
IEC 60332-3-22:2018 RLV	Identical

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BS EN IEC 60332-3-22:2018

Tests on electric and optical fibre cables under fire conditions Test for vertical flame spread of vertically-mounted bunched wires or cables. Category A

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