Specification
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FLEXIBLE METAL CONDUITS - STEEL
UL Reduced Wall Steel Type RW FSC
(5500 Series)
Description
• Reduced Wall Flexible Steel Conduit
• High grade hot dipped zinc galvanized low carbon steel
• Interlocking design
• Corrosion resistant
• Trade sizes 1-1/2 through 4 are made with no solder joints
Applications
Suitable for use in:
• Flexible Steel Conduit (FSC): A raceway of circular cross-section made of
helically wound, interlocked galvanized steel strip.
• Accordance with NEC® Article 348 Flexible Metal Conduit Type FMC
• Exposed and concealed locations
• Utilization equipment per NEC® 348.20(A)(2)(a)
• Suitable as part of a listed assembly per NEC® 348.20(A)(2)(b)
• Equipment ground in accordance with NEC® 250.118(5)
• Other Spaces Used for Environmental Air (Plenums) per NEC® 300.22(C)
• Cable Trays per NEC® 392.10(A) and Table 392.10(A)
• Raceway for Tap Conductors for Luminaires per NEC® 348.20(A)(2)(c)
and 410.117(C)
• Connection to a motor terminal enclosure per NEC® 430.223
• Class I Division 2 per NEC® 501.10(B)(2)(2)
• Neon Secondary-Circuit Wiring 1000V or Less per NEC® 600.31(A)
• Neon Secondary-Circuit Wiring Over 1000V per NEC® 600.32(A)(1)
• Manufactured Wiring Systems per 604.100(A)(2)
• Elevators, Dumbwaiters, Escalators, Moving walks, Platform and Stairway
Chairlifts per NEC® 620.21
• Under Raised Floors per NEC® 645.5(E)(1)(b)(10)
• Solar Photovoltaic (PV) Systems per NEC® 690.31(A)
• Fuel Cell Systems per NEC® 692.31
• Wind Electric Systems per NEC® 694.30(A)
• Critical Operations Power Systems (COPS) where exibility is required per
NEC® 708.10(C)(1)(3)(b)
• Optical Fiber Cables for installation within buildings per NEC® 770.110(A)(1)
• Communications Circuit Wires and Cables for installation within buildings
per NEC® 800.110(A)(1)
• Community Antenna Television and Radio Coaxial Cables for installation
within buildings per NEC® 820.110(A)(1)
• Low and Medium Power Network-Powered Broadband Cables for
installation within buildings per NEC® 830.110(A)(1)
References & Ratings
• NFPA 70 National Electric Code (NEC®) Articles 348, 250, 300, 392, 410,
423, 430, 501, 600, 604, 620, 645, 690, 692, 694, 708, 770,
800, 820 and 830
• UL 1 Standard for Flexible Metal Conduit UL File Number E11831
Federal Specication WW-C-566C
superseded by UL 1
• UL 1479 Fire Tests of Through- UL File Number R14141
Penetration Firestops
UL Classied Through-Penetrating Product for Use in
Through-Penetration Firestop Systems
• NEMA RV 3 Application and Installation Guidelines for Flexible and
Liquidtight Flexible Metal Conduits
• C22.2 No. 56 CSA Standard for Flexible Metal Conduit and Liquid-Tight
Flexible Metal Conduit
The 3/8 Trade Size is the only Type RW FMC that is CSA Certied
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LIQUID-TUFF™ — Flexible Metal Conduit - Steel