THHN/THWN-2, Stranded, Copper

We offers a wide selection of THHN Building Wire products at the best prices you’ll find anywhere. THHN building wire is appropriate for use in alternating current (AC) electrical distribution systems of almost every industrial, residential and commercial building, usually at voltage levels ranging from 110-600 volts. It is generally used to carry electrical current to all external uses of power in a building or dwelling. THHN wire may also be used for wiring of machine tools, control circuits or on certain appliances.

When it comes to integrating THHN wire into your project, it is important to understand that THHN is UL listed with a rated 90 degrees Celsius in dry locations or 75 degrees Celsius in wet applications with a THWN rating. All of our THHN wire carries a dual rating on the cable marked THHN / THWN-2 for both the wet and dry temperature rating.