The Grainger 14A835 is a 14 gauge, type TFN/THHN, 600 volt insulated copper wire for use in residential and commercial buildings. It is UL and CSA listed for installation in conduit, cable trays, ducts, plenums, and other approved raceways. This general purpose building wire is available in multiple colors and 1000 foot spools. It can be used for branch circuits, feeders, and services requiring high temperature and moisture resistance.