EN 50266-2-4：着火条件下电缆通用测试方法－第2部分：垂直固定的电线束或电缆的垂直火焰扩散测试.过程.类别C
日期:2010-05-11 00:00
roval 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 cables ability to limit flame spread.
This Part 2-4 covers Category C and relates to cables installed on the test ladder to achieve a nominal total volume of non-metallic material of 1,5 litres per metre of test sample. The flame application time is 20 min. The method of mounting use
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