Southwire type uf-b cable is generally used as feeder to outside post lamps, pumps, other loads or apparatus fed from a distribution point in an existing building as specified in the 2011 national electrical Code. UF-B cable may be used underground, including direct burial. Multiple conductor UF-B cable may be used for interior branch circuit wiring in residential or agricultural buildings at conductor temperatures not to exceed 90 deg c (with ampacity limited to that for 60 deg c conductors) as specified by the national electrical Code. UF-B can be used in applications permitted for NMC in section 334.10(B) of the national electrical Code. Voltage rating for UF-B cable is 600 V.