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| JB/T 13994-2022 Fire-resistant cable tray system (English Version) |
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Detail of JB/T 13994-2022
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Introduction of JB/T 13994-2022
本文件规定了防火电缆桥架的分类和型号、要求、试验方法、检验规则以及标志、包装、运输和贮存。
本文件适用于工业与民用建筑中对消防耐火等级有要求的，在电压 1kV 以下敷设电缆的钢制无孔电缆托盘直线段及连接件的制造。
本文件不适用于有孔电缆托盘、有孔电缆梯架和支吊架等用以支撑电缆具有连续的刚性结构系统的其它附件。
Contents of JB/T 13994-2022