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. UL listed. 400' spooled. Due to the fluctuation of the copper market, Do it Best Corp. reserves the right to bill at the prices prevailing on date of shipment. We reserve the right to substitute similar quality by various manufacturers.