BS EN 50289-4-12-2004 通信电缆.试验方法规范.环境试验方法.小型束状通信电缆上的垂直火焰扩散试验

标准号：BS EN 50289-4-12-2004
中文标准名称：通信电缆.试验方法规范.环境试验方法.小型束状通信电缆上的垂直火焰扩散试验
英文标准名称：Communication cables - Specifications for test methods - Environmental test methods - Vertical flame spread test on bunched small communication cables
标准类型：K13
发布日期：2004/7/14 12:00:00
实施日期：2004/7/14 12:00:00
中国标准分类号：K13
国际标准分类号：33.120.10
适用范围：This part 4-12 of EN 50289 concerns small communication cables with a diameter equal or less than 14 mm, mounted on a test scale in bundles in order to obtain a total normal volume of non-metallic material equal to 0,5 l/m of test sample. The application time is 20 min. The tests proposed are for communication cables that require the testing of cables for low density installation. The tests must be stipulated in the cable specifications, where the requirements must also be given.