BS 7211:1998 Electric cables-Thermosetting insulated, non-armoured cables for voltages up to and including 450/750V, for electric power, lighting and internal wiring and having low emission of smoke and corrosive gases when affected by fire. BS 7211:1998 着火条件下,热固性绝缘电缆,电压在450V-750V及以下的非铠装电缆的低烟及低腐蚀性的要求。
主要测试项目:
多根成束燃烧测试 Flame propagation on multiple cables
根据BS EN 50266-2-4进行电缆多根成束垂直火焰燃烧测试。 the cable shall be tested in accordance with BS EN 50266-2-4,The test shall be carried out on a sample of comleted cable.
烟释放量测试 Smoke emission
根据BS EN 50268-2进行测试,烟密度测试(光透射率)应不小于60%。 according to BS EN 50268-2 to carried out smoke density testing, the minimum light transmittance shall be 60%. |