Southwire�Æs copper 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�ćC and is rated at 600-Volt. UL Listed. Conductors are made of annealed (soft) copper PVC insulation and a nylon, color coded jacket Used indoors for wet or corrosive locations Used outdoors for direct burial Jacketed with sunlight, moisture and fungus resistant gray PVC