Type UF-B cable is designed specifically for use as underground feeder cable for direct earth burial in branch circuits, and indoors for wet or corrosive locations. Highly resistant to acids, alkalis, corrosive fumes, chemicals, lubricants, and ground water. It is noncorroding, sunlight-resistant, and will not support combustion. 600 volts, 75 degrees Celsius rated. UL (Underwriter's Laboratories) listed.