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Our premium quality and state-of-the-art machinery enables American Bare Conductor to offer high quality building wire products that exceeds industry standards backed by excellent customer service.

Transformer Riser Wire

Specifications and Standards

  • ASTM-B3 Standard Specification for Soft or Annealed Copper Wire
  • ASTM-B8 Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft


  • Conductors are solid annealed copper covered with high molecular weight polyethylene. Black Only


  • Used as non-insulated transformer risers intended to reduce faults due to atmospheric conditions, vibrations, and crossed leads


Size(AWG) Conductor Size mm2
Polyethylene Thickness
Outside Diameter
(inches) (mm)
Approx. Net Weight(lbs./1000 ft.)
8 Solid 8.37 .110 .3485 8.85 83
6 Solid 13.3 .110 .3820 9.70 117
4 Solid 21.2 .110 .4243 10.77 170