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18 SOL CU 3/C CL2/CMH PVC BROWN 250 FT

Southwire

18 SOL CU 3/C CL2/CMH PVC BROWN 250 FT

Southwire #
553030407

CU 150V HDPE Insulation PVC Jacket CL2/CMH Power Limited Unshielded Thermostat Wire

Part of the family: CU 150V HVAC Wire Unshielded Thermostat CL2/CMH

Priced by quote — copper moves daily (COMEX), so we quote at the current price.

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📄 Spec sheet (PDF)📎 HVAC Catalog

Application & features

  • 150 Voltage
  • rating per NEC® Article 725
  • ETL listed to UL 13 and UL 444
  • Meets UL 1581 Vertical Tray Flame Test (FT-1)
  • Type CL2
  • C22.2 214 TYPE CMH

    • Specifications

    Cond. Size18 AWG18 AWG
    Conductor Number33
    Cond. StrandsSolidSolid
    Diameter Over Conductor0.040 inch0.10 cm
    ColorRD, WE, GNRD, WE, GN
    Insulation Thickness5 mils0.13 mm
    Jacket Thickness14 mils0.36 mm
    Approx. OD0.140 inch0.36 cm
    Copper Weight15 lbs/1000'22 kgs/km
    Approx. Weight19 lbs/1000'28 kgs/km
    DC Resistance at 25C6.669 ohms/1000'9.92 ohms/km
    AC Resistance at 75C8.035 ohms/1000'11.96 ohms/km
    Inductive Reactance0.036 ohms/1000'0.05 ohms/km
    Min. Bend Radius0.6 inch1.52 cm

    Standards & references

    • ASTM B3 Soft or Annealed Copper Wire
    • UL 13 Power-Limited Circuit Cables
    • UL 444 CM/CL2