6-6-6-6 SER Service entrance cable has voltage rating of 600-Volts and current rating of 60-Amps. The aluminum cable features XHHW-2 or THHN/THWN-2 insulation that offers resistance against moisture, heat and sunlight. It has PVC jacket and outer diameter of 717 mil. It withstands temperature rating of 90 deg C. This 250-ft cable comes in coil. Cable is UL listed, RoHS compliant and ASTM standards.