Galflex ® Type RWS (Reduced Wall Steel) Flexible Metal Conduit is suitable for the following installations. Power and lighting branch circuit conductors and cables for connecting receptacles, luminaires, equipment, office partitions, etc. Metal raceway for wires and cables per NEC (ANSI/NFPA-70) Article 348. Motor feeder, branch, and control circuit conductors and cables. Class 1, Class 2, Class 3 Remote-control, signaling, and power-limited circuit conductors and cables. Fire alarm system conductors and cables of power-limited or non-power-limited fire alarm circuits. Voice, data, communications and video cables including CATV and optical fiber cables. Environmental air-handling spaces per NEC 300.22(C). Concealed or exposed installations per NEC Article 348 and the applicable NEC provisions. Elevators, hoistways, and escalators per NEC 620.21. As a grounding conductor for lengths up to 6 ft (20A max) as per 2005 NEC 250.118(5). Electric signs and outline lighting per NEC 600.7, 600.31 (1000 volts or less), and 600.32 (>1000 volts). Hazardous location, Class 1, Div. 2, for flexible connectors only per 2005 NEC 501.10(B)(2) & 501.30(B). UL 1, 2, & 3 Hour Through-Penetration Firestop Sytems: C-AJ-1462, C-AJ-1463, C-AJ-1464, W-L-1308, and W-L-1309.