Product Info Catalog Electrical & Lighting Wire & Cable Building Building Wire, 3/0, Stranded, Black, 500-Ft. Building Wire, 3/0, Stranded, Black, 500-Ft. Request a Quote UPC: 32886234101 Manufacturer: Southwire/Coleman Cable (deleted) SKU: 667584 Model Number: 20507002 500' black 3/0 stranded building wire, type thhn, nylon jacketed thermoplastic, 90 degree c, copper, 600v.