Southwire's THNN is a multi-purpose building wire used in conduit and cable trays for service, feeders and branch circuits in commercial and industrial applications. It is also used as a conductor in NM-B, UF-B, SER, SEU and MC. Southwire's THHN is rated for 600-Volt and has a heat capacity of up to 90°C.
Made with soft copper, compressed
Insulation is high heat and moisture resistant
Jacket is abrasion, gasoline and oil resistant nylon