Coleman Cable 233260408 16/3 250-Foot SJEOOW Seoprene Service Cable, Black 250-foot spool of wire SJEOOW Seoprene , AWG size: 16/3 fully annealed stranded bare copper Class K stranding per ASTM B 174 Insulation is tprene oil resistant thermoplastic elastomer (tpe) brilliant colors for easy identification Jacket is water, sunlight, and oil resistant, flame-retardant black seoprene thermoplastic elastomer (tpe)