ULC-S102.4-M1987：电线电缆的燃烧及烟雾特征防火测试方法
日期:2010-09-26 00:00
optical density for electrical and optical-fiber cables and non-metallic raceways that are to be installed in ducts, plenums, and other spaces used for environmental air. It is not intended for use with cables enclosed in metallic raceways in those spaces. This method also determines values of flame propagation distance and smoke optical density for electrical and optical-fiber cables with combustible jackets or sheathes, and non-metallic raceways to determine their acceptability for use in buil
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