- THHN copper conductors are annealed (soft) copper, rated at 600-Volt and heat, moisture, gasoline and oil resistant, UL listed
- THHN cable is insulated with a tough heat and moisture resistant polyvinyl chloride (PVC)
- THHN is available in a variety of colors, lengths and gauges; also available in solid and stranded copper
- THHN cable is suitable for use in wet or dry locations at temperatures not to exceed 90˚C