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.


imperial metric
Select a set of products below for more information:
Conductor Ground Wire
No. of Conductors Size (AWG or kcmil) No. of Strands Insulation Thickness (mils) (mm) Size (AWG) No. of Strands Nom. OD (mils) (mm) Nominal Total Weight (lbs/1000') (kgs/km) Allowable Ampacity
579783 1 1 2 AWG 2 AWG 19 19 827 21.01 469 698
585796 1 1 350 KCMIL 350 KCMIL 37 37 1193 30.30 1536 2286

Standards & References

  • ASTM B3 Standard Specification for 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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