SPEC 44031 1/C CU EPR CPE Medium Voltage Non-Shielded Jumper & Switchgear Cable

Single Conductor Tinned Copper EPDM Insulation with a CPE Jacket Non-Shielded Jumper Cable

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Southwire’s medium voltage non-shielded cable is intended for use in substations installed on insulators and inside switchgear isolated from ground and where a non-shielded cable is desired. These cables are capable of operating continuously at a conductor temperature not in excess of 90°C. See Table 2 for installation guidelines.

  • This cable is rated up to 40KV and is not UL listed. See Table 2 for Installation Guidelines


Select a set of products below for more information:
Conductor Allowable Ampacities+ Resistance
Size (AWG or kcmil) (mm2) No. of Strands Nom. OD (Conductor) (mils) (mm) Nom. OD (mils) (mm) Nom. OD (Over Ins.) (mils) (mm) Nominal Total Weight (lbs/1000') (kgs/km) Allowable Ampacity at 60C Allowable Ampacity at 75C Allowable Ampacity at 90C Insulation Thickness (mils) (mm) Nom. DC Resistance (Conductor) AC Resistance at 90°C
37 37
1193 30.30
1536 2286

Standards & References

  • ASTM B3: Soft or Annealed Copper Wire
  • ASTM B8: Concentric-Lay-Stranded Copper Conductors
  • ASTM B33: Standard Specification for Tin-Coated Soft or Annealed Copper Wire


  • Conductor: Tinned copper class B or C
  • Tape: Binder tape for ease of insulation removal
  • Insulation: Heat, moisture, and ozone resistant Ethylene Propylene Diene Monomer (EPDM)
  • Jacket: Thermoplastic Chlorinated Polyethylene CPE jacket


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