UL 1666-2007 标准详情
- 标准号:UL 1666-2007
- 中文标题:电缆和光缆垂直安装在竖井中时火焰蔓延高度的测试
- 英文标题:standard for test for flame propagation height of electrical and optical-fiber cables installed vertically in shafts
- 标准类别:美国保险商实验室标准UL
- 发布日期:2007-02-16
This is a fire test for determining values of flame propagation height for electrical and optical-fiber cables that are for installation vertically in shafts or in vertical runs that penetrate more than one floor. The purpose of this test is to deter
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