For use underground as a feeder or branch circuit cable where provided with overcurrent protection of the rated ampacity as specified by the NEC. Direct burial in the earth is permitted. May be installed as interior wiring in wet, dry, or corrosive locations as specified by the NEC May be installed as nonmetallic-sheathed cable as specified in NEC Section 340.10(4). May be installed in locations with temperatures up to 90C but with the ampacity limited to that of 60C conductors.