Southwire 50 ft. 12/1 Solid THHN Building Wire

Southwire’s THHN and THWN 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 degree Celsius.