Type UF-B cable is generally used as feeder to outside post lamps, pumps, and 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°C (with ampacity limited to that for 60°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 volts.
ASTM - B3 and B-8
UL Standard 83
UL Standard 493
Federal Specification A-A-59544
National Electrical Code, NFPA 70, 2011 Edition
Insulation: Polyvinyl Chloride (PVC) with a nylon covering. Color coded phase identification.
Jacket:Sunlight, moisture and fungus resistant gray PVC.
Number of Conductors:2
PVC Insulation Thickness:0.035 inches
Ground Wire Size:10 AWG
Nylon Thickness:0.005 inches
Nominal Cable Dimensions:0.73 inches x 0.338 inches
Weight per Foot: 0.303 lbs
Allowable Ampacity: 55 Amps