UF-B is an underground feeder and branch circuit wiring cable. It can be used as an underground feeder from an existing building to outdoor lighting fixtures, pumps, outbuildings and other equipment. Its applications are outlined in Article 340 NEC 2008 and NEC 2011. UF-B is rated at 600 volts. Although it is rated at a conductor temperature of 90oC dry / wet, its ampacity is limited to 60oC according to the NEC 2008 AND NEC 2011. UF-B may be directly buried or installed where exposed to sunlight. When used as an NM cable it must comply with the requirements in NEC 2008 and NEC 2011 Article 334.
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 Chlordata_1e (PVC) with a nylon covering. Color coded phase data_1entification.
Jacket:Sunlight, moisture and fungus resistant gray PVC.
Number of Conductors:2
PVC Insulation Thickness:0.030 inches
Ground Wire Size:14 AWG
Nylon Thickness:0.004 inches
Nominal Cable Dimensions:0.423 inches x 0.168 inches
Weight per Foot: 0.070 lbs
Allowable Ampacity: 15 Amps