This Southwire cable (vendor part 20494199, Millennium Part #588731) is stocked in Millennium's THHN/TFFN wire category for building and industrial wiring applications. THHN/TFFN conductors are rated for use in conduit, cable tray, and raceway systems, offering heat- and moisture-resistant nylon jacketing over PVC insulation for reliable performance in dry and damp locations. Contractors rely on Southwire THHN wire for its consistent conductor quality and code compliance across commercial, industrial, and telecom infrastructure projects. Contact Millennium for full gauge, strand count, and color availability on this Southwire cable to match your project specifications.