SPEC: 60420

MC 18/7 Sol BkWeBeRdOeYwBnGn SA 250 FT

Southwire #: 55476302

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Application & Features

Southwire Steel Armored Thermostat Type MC Cable is suitable for use as follows:

  • Signal, control, branch, feeder and service power distribution in commercial, industrial, institutional, and multi-residential buildings.
  • Fished or embedded in plaster.
  • Concealed or exposed installations.
  • Environmental air-handling spaces per NEC 300.22 (C).
  • Places of Assembly per NEC 518.4 and theaters per NEC 520.5.
  • Installation in cable tray and approved raceways.
  • Under raised floors for information technology equipment conductors and cables per NEC Article 645
  • Class I Div. 2, Class II Div 2, & Class III Div. 1 Hazardous Locations.

  • Southwire Type MC Cable - meets or exceeds the following requirements:
  • UL Online Product Guide Info - Metal-Clad Cable (PJAZ) ( www.ul.com )
  • Federal Specification A-A59544 (formerly J-C-30B)
  • NFPA 70 (National Electrical Code), Article 330
  • Listed for use in UL 1, 2 and 3 Hour Through Penetration Firestop Systems
  • Specifications

    Cond. Size 18 AWG 18 AWG
    Conductor Number 7 7
    Color BK, RD BE, WE, YW, BN, OE, GN BK, RD BE, WE, YW, BN, OE, GN
    Diameter Over Conductor (in) (cm) 0.040 0.10 inch cm
    Cond. Strands Solid Solid
    Insulation Thickness (mils) (mm) 15 0.38 mils mm
    Approx. OD (in) (cm) 0.466 1.18 inch cm
    Approx. Weight (lbs/1000') (kgs/km) 135 201 lbs/1000' kgs/km

    Note: Conductor number = number of phase conductors plus neutral. Does not include green ground.
    TBA stock codes are estimations only and actual product may vary. Please wait until a stock code is assigned to purchase connectors and/or fittings.

    Standards & References

    • ASTM B3 Soft or Annealed Copper Wire
    • UL 66 Fixture Wire
    • UL 1569 Metal-Clad Cables
    • UL 1685 FT4 Vertical-Tray Fire Propagation and Smoke Release Test
    • IEEE 1202 FT4 Flame Test (70,000) BTU/hr Vertical Tray Test
    • RoHS-2 (European Directive 2011/65/EU)
    • Buy American: Compliant with Buy American Requirements, found in 49 U.S.C. § 5323(j); specify “Made in the USA Only!” when ordering to ensure your project receives American made products.
    • VW-1 (Vertical-Wire) Flame Test

    Construction

    1. Conductor:Solid soft drawn copper per ASTM B3
    2. Insulation:All phases are insulated with Polyvinyl Chloride with Nylon Sheath Type TFFN
    3. Ground:Green insulated ground. Polyvinyl Chloride with Nylon Sheath Type TFFN
    4. Binder:Paper tape
    5. Armor:Steel Interlocked Armor

    Resources

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