Conductor: annealed bare copper wires, or compact aluminum 8000 series wires, class B.
Insulation: Heat and moisture resistant, low temperature Cross-Linked Polyethylene (XLPE)
Type RW90, -40°C to +90°C
Application: For open wiring and raceways (except cable troughs and ventilated flexible cableway) in dry or wet locations. For exposed wiring where exposed to weather with sunlight resistant insulation. Approved for use with ceiling fixtures