Flexible Metal Conduit is suitable for the following installations: 金属软管 适用于以下安装环境: • Power and lighting branch circuit conductors and cables for connecting receptacles, luminaries, equipment, office partitions, etc. 电力, 照明, 办公区域的布线保护 • Metal raceway for wires and cables per NEC® (ANSI/NFPA-70) Article 348 赛道布线保护 • Motor feeder, branch, and control circuit conductors and cables 马达控制线路保护 • Environmental air-handling spaces per NEC® 300.22(C) 空调系统布线保护 • Various optical measuring instruments, precision instrument 光学精密仪器的线缆保护 • Medical instruments 医疗仪器 • Various Machinery and equipment 机器设备的线缆保护 • Class 1, Class 2, Class 3 Remote-control, signaling, and power-limited circuit conductors and cables 远程控制、信号线路保护 • Fire alarm system co nductors and cables of power-limited or non-power-limited fire alarm circuits 火警系统线路保护 • Voice, data, communications and video cables including CATV and optical fiber cables 语音、数据、通讯、视频、电视、光纤线路保护 • Concealed or exposed installations per NEC® Article 348 and the applicable NEC® provisions 密封防爆环境的线路保护 • Elevators, hoist ways, and escalators per NEC® 620.21 电梯、自动扶梯的线路保护 • As a grounding conductor for lengths up to 6 feet (20A max) as per 2011 NEC® 250.118(5) • Electric signs and outline lighting per NEC® 600.7, 600.31 (1000 volts or less), and 600.32 (>1000 volts) 户外招牌及照明的线路保护 • Hazardous location, Class 1, Div. 2, for flexible connectors only per 2011 NEC® 501.10(B)(2) & 501.30(B) 危险场所的线路保护