74 6/3 Method 4 color-code tray cable with ground, features 0.06-Inch thick PVC/nylon insulation to safeguard against electrical hazards. This bare copper cable with 0.69-Inch OD, has black 0.036-Inch thick PVC jacket that offers resistance against moisture, heat and sunlight. It has voltage rating of 600-Volts and withstands temperature of 90 deg C. This cable is perfect for use in free air, raceways, direct burial in wet as well dry locations and also in industrial hazardous locations. Tray cable is UL listed, RoHS compliant and meets IEEE/NEC standards.