ASTM D5424电缆或光缆中绝缘材料在立式电缆槽结构中燃烧时的烟雾遮蔽性标准试验方法
日期:2012-02-07 17:59
predictability of its results to large scale fires has not been determined. Some information exists to suggest that it has been validated against some large-scale scenarios.
1. Scope
1.1 This is a fire-test-response standard.
1.2 This test method provides a means to measure the smoke obscuration resulting from burning electrical insulating materials contained in electrical or optical fiber cables when the cable specimens, excluding accessories, are subjected to a specified flaming ignition sour
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