7-strand: Class B concentrically stranded per ASTM-B8
19-strand: Combination unilay stranded conductors per ASTM-B787
Insulation:
High dielectric strength, heat- and moisture-resistant, black or colored Polyvinyl Chloride (PVC) rated for continuous use at 90 C wet or dry, meeting the requirements of UL-83 for THHN or THWN wire.
Conductor jacket:
Clear Nylon sheath meeting the requirements of UL-83 for THHN or THWN ground/neutral conductor:
Bare, soft-drawn grounding conductor per ASTM-B3, ASTM-B8, or ASTM-B787
Applications:
Assembly:
Conductors are twisted together with the bare, copper grounding conductor in one interstice. A glass-reinforced tape is applied over the cabled core.
Overall Jacket:
Extruded, protective gray sunlight-resistant PVC jacket over the taped assembly in accordance with UL Standard 854.