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. Standards: ASTM - B3 and B-8 UL Standard 83 UL Standard 493 Federal Specification A-A-59544 National Electrical Code, NFPA 70, 2011 Edition RoHS/REACH Construction: Insulation: Polyvinyl Chloride (PVC) with a nylon covering. Jacket:Sunlight and moisture resistant PVC.
Specifications: Size:10 AWG Number of Conductors:3 PVC Insulation Thickness:0.024 inches Ground Wire Size:10 AWG Nylon Thickness:0.004 inches Nominal Cable Dimensions:0.727 inches x 0.215 inches Weight per Foot: 0.102 lbs Allowable Ampacity: 30 Amps #10 AWG Wire with 3 Annealed (soft) Bare Copper (CU) Conductors For Indoors for Wet or Corrosive Locations, Won't be Damaged by Light or Moisture Use Outdoors for Direct Burial, Resistant to Sunlight and Moisture Has a Heat Capacity of 90 DegreesC and is Rated for 600-Volts, Has an Allowable Ampacity of 30 Amps Color of Wire May not be the Same as the Picture Shown.