产品：铜芯铜护套氧化镁绝缘防火电缆（又称矿物绝缘电缆）（BTTZ）

适用范围：广泛应用于核电站、冶金、化工、矿井、制窑等危险、恶劣、高温环境。近年来也较多的应用于高层建筑、机场、码头、地下铁道等场所，用以保障在火灾情况下消防水泵、消防电梯、局部照明、应急疏散指示、保安监视，防、排烟系统及自备电源等消防用电及重要设备不间断运行。

译：

Product ：Copper core and copper sheath magnesia insulation fire cable (also known as mineral insulated cable)

Application range: Widely used in nuclear power station, metallurgy, chemical industry, mine, system of kiln and other dangerous, bad, high temperature environment. In recent years and more applied in high-rise buildings, airports, docks, underground and other places. To ensure fire pumps, fire elevator, local lighting, emergency evacuation instructions, security monitoring, prevention, fire smoke exhaust system and self-provided power supply electricity and important equipment continuous operation in the case of a fire.

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