Amendment 1 - Tests on electric and optical fibre cables under fire conditions - Part 3-10: Test for vertical flame spread of vertically-mounted bunched wires or cables - Apparatus.

修改1 - - -着火情况下的电气和光纤电缆试验- - -第3 - 10部分：垂直安装的捆绑线或电缆的垂直燃烧扩散试验- - -设备。

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EN50399-1: common test methods for cables under fire conditions, Heat release and smoke production measurement on cables during flame spread test. Part 1: Apparatus.

EN50399 - 1：著火条件下电缆的一般测试方法-在火焰蔓延的测试过程中，测量热释放量和冒烟量-测试装置。

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Common test methods for cables under fire conditions - test for vertical flame spread of vertically-mounted bunched wires or cables - Part 2-2: procedures - Category a.

着火条件下电缆的通用试验方法。垂直安装的绞合线或束状电缆的火焰垂直蔓延试验。第2 - 2部分：程序。

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The pigeons have given way to the cables and satellites that deliver telephone calls and television pictures, but controls on foreign ownership have stayed and spread.

ECONOMIST: The comfort of strangers | The