Five combustion tests are conducted to compare the integrity of general power cables,organic insulated fire-resistant cables with the same mica tape and different numbers of insulating layers,magnesium oxide insulated fire-resistant cables,flexible mineral insulation fire-resistant cables,and cables with the same structure and different specifications and models under temperature rise condition in case of fire,the cable type,the law of power supply time and operating data of power supply line for firefighting equipment in buildings under actual load fire condition are analyzed and discussed.
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万方数据