IEC 60332-3-22:2000
Tests on electric cables under fire conditions - Part 3-22: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A
发布时间:2000-10-09 实施时间:


IEC 60332-3-22:2000标准规定了电缆在火灾条件下的测试方法,特别是垂直安装的成束电线或电缆的垂直火焰蔓延测试。该标准适用于电缆和光缆,用于评估其在火灾条件下的性能。该标准的A类别适用于电缆和光缆的垂直火焰蔓延测试,以评估其在火灾条件下的性能。

该标准要求测试样品必须是垂直安装的成束电线或电缆。测试时,将测试样品固定在垂直的支架上,并在其下方点燃一定长度的火焰。测试时,火焰的高度和持续时间必须符合标准规定。测试结束后,评估测试样品的火焰蔓延情况,包括火焰蔓延的高度和时间。

该标准的A类别要求测试样品在测试期间不能出现火焰蔓延,也不能出现燃烧滴落。如果测试样品出现火焰蔓延或燃烧滴落,则测试失败。如果测试样品通过测试,则可以认为其在火灾条件下具有良好的性能。

该标准的测试方法可以用于评估电缆和光缆在火灾条件下的性能,以确保其在火灾发生时能够保持良好的性能。该标准的测试方法可以帮助制定电缆和光缆的安全标准,以确保其在火灾条件下的安全性能。

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