12/2 CU UF-B W/G is an outdoor wire used in residential or agricultural buildings for interior branch circuit wiring. Certain applications include outbuildings such as garages and barns and for lamp posts, pumps and other loads or apparatus. UF-B stands fore Underground Feeder Type B Wire. The "B" denotes the individual conductor insulation is rated 90 degrees C. This wire can be used for wet or dry locations. Indoors it can be use for wet or corrosive location, outdoors for direct burial and in wet basements. Length 250’.