Flexible Metal Conduit is suitable for the following installations: 金屬軟管 適用于以下安裝環境: ? Power and lighting branch circuit conductors and cables for connecting receptacles, luminaries, equipment, office partitions, etc. 電力, 照明, 辦公區域的布線保護 ? Metal raceway for wires and cables per NEC? (ANSI/NFPA-70) Article 348 賽道布線保護 ? Motor feeder, branch, and control circuit conductors and cables 馬達控制線路保護 ? Environmental air-handling spaces per NEC? 300.22(C) 空調系統布線保護 ? Various optical measuring instruments, precision instrument 光學精密儀器的線纜保護 ? Medical instruments 醫療儀器 ? Various Machinery and equipment 機器設備的線纜保護 ? Class 1, Class 2, Class 3 Remote-control, signaling, and power-limited circuit conductors and cables 遠程控制、信號線路保護 ? Fire alarm system co nductors and cables of power-limited or non-power-limited fire alarm circuits 火警系統線路保護 ? Voice, data, communications and video cables including CATV and optical fiber cables 語音、數據、通訊、視頻、電視、光纖線路保護 ? Concealed or exposed installations per NEC? Article 348 and the applicable NEC? provisions 密封防爆環境的線路保護 ? Elevators, hoist ways, and escalators per NEC? 620.21 電梯、自動扶梯的線路保護 ? 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) 戶外招牌及照明的線路保護 ? Hazardous location, Class 1, Div. 2, for flexible connectors only per 2011 NEC? 501.10(B)(2) & 501.30(B) 危險場所的線路保護