AS/NZS IEC 60332.3.22:2017
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
This document has been re-assessed by the committee, and judged to still be up to date.
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 ability of the cable 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. Identical to and reproduced from IEC 60332-3-22, Ed 1.1:2008.
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Supersedes
- AS/NZS 1660.5.1:2005 as of 30/06/2017
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