12/3 MCHV MC Aluminum armored cable features THHN/THWN insulation. Cable has voltage rating of 277/480/600-Volts. It withstands temperature rating of 90 deg C in dry conditions. This 1000-ft copper cable comes in reel. It is perfect for branch, feeder and service power distribution in commercial, industrial, institutional and multi-residential buildings. Cable is UL listed, REACH/RoHS-2 compliant and VW-1 rated.