Southwires UF-B cable is used in applications that include outside lamp posts, pumps and other loads. It can also be used for outbuildings such as garages and barns. UF-B feeds from a distribution point in an existing building. UF-B has a heat capacity of 90 degree Celsius and is rated at 600 volt. UL Listed and CSA Certified. UF-B Underground Building Wire100'UF-B Underground Feeder Type B600 VoltsFor Wet or Dry Locations90°C Heat Capacity19 mils insulation and jacket thickness95 lb. per 1000'20 allowable ampacity463 x 183 mil cable dimension