NMWU 12/2 Cu G Bk 4.921kR

Southwire #: 47185401

Copper Conductors, 300V / -40ºC MIN, 60ºC MAX, PVC / Nylon Insulation, PVC Jacket.

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Southwire's CSA-NWMU cables may be used for underground installations, including direct burial. It may also be used for environments exposed to the weather in dry and wet locations.

  • The maximum allowable conductor temperature is 60°C.
  • The minimum recommended installation temperature is -40°C.
  • Material should be properly stored above 0°C for 24 hours prior to installation.
  • The maximum voltage rating for all intended applications is 300 volts.


imperial metric
Stock # 47185401 47185401
Size (AWG or kcmil) 12 AWG 12 AWG
No. of Conductors 2 2
No. of Strands 1 1
Size (AWG) 14 14
Jacket Thickness (mils) (mm) 30 0.76 mils mm
Nom. Width (mils) (mm) 525 13.35 mils mm
Nom. Height (mils) (mm) 260 6.62 mils mm
Nominal Total Weight (lbs/1000') (kgs/km) 109 162 lbs/1000' kgs/km
Allowable Ampacity at 30°C Ambient 20 20

Standards & References

CSA-NWMU cables meet or exceed the following requirements:

  • ASTM
  • CSA C22.2 No. 48 (non-metallic sheathed cable)
  • Canadian Electrical Code1
  • CSA FT1 Flame Test Rating


  • Two-conductor cable with a bare grounding conductor.
  • It is manufactured using annealed (soft) copper conductors with compressed standing for stranded conductors; a heatresistant thermoplastic polyvinyl chloride (PVC) insulation and nylon jacket for the phase conductors with a sunlight-, moisture-, and fungus-resistant PVC jacket for the overall construction.
  • Ground Conductor
  • Copper Conductor
  • PVC / Nylon Insulation
  • Black PVC Jacket
  • Conductors are white and black


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