PV Wire 500 Foot Spool for Solar Panels, Double-Insulated Copper Wire 8 AWG 7-Strand 1kV – 2kV, UL 4703 Red, 90C Wet or Dry, Lead Free. Appropriate for use in solar power applications that require 2,000 volt rating. For use in grounded interconnection and unground Photovoltaic power systems. Conductors: Stranded bare copper conductor per ASTM B-3, B-8. Insulation: Chemically Cross-linked polyethylene with colored sunlight resistant PVC jacket.