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500' 8/3 Underground Feeder Cable UF-B Copper 600V

500' 8/3 Underground Feeder Cable UF-B Copper 600V
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500' 8/3 Underground Feeder Cable UF-B Copper 600V

SKU: NNC3753X04

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500' 8/3 Underground Feeder Cable UF-B Copper 600V

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8/3 Underground Feeder Cable UF-B Copper 600V

Allowable Ampacity for 8/3 Underground Feeder Cable UF-B Copper 600V(Direct Burial): 40 Amps

Allowable Ampacity 8/3 Underground Feeder Cable UF-B Copper 600V in Duct: 40 Amps

Also Known As: 

8/3 Copper Underground Feeder Cable, 8/3 Copper Direct Burial Feeder Cable, 8/3 Branch Circuit Wiring Cable, 8/3 UF-B Wire, 8/3 Copper Direct Earth Burial Cable, 8/3 Copper Branch Circuit Cable, 8/3 UF-B Direct Burial Wire, 8/3 UF Wire, 8/3 direct burial wire, 8/3 underground wire, 8/3 outdoor wire, 8/3 underground electrical wire, 8/3 uf b wire w ground

8/3 UF-B Applications:

An underground feeder cable's prime purpose is to bring the power from the residential, commercial, and industrial buildings to outdoor constructions, which include pumps and lighting constructions. The electrical cable is suitable for direct burial, as well as direct exposure to the sunlight. It is permitted for use as a feeder or branch circuit cable if provided with overcurrent protection. Copper Underground Feeder Cable UF-B has a rating of 600 volts.

UF-B Common Applications:

  • Underground Feeding
  • Outdoor Lighting
  • Outdoor Outlets
  • Direct Burial
  • Wet or Damp Locations
  • Pump Systems
  • HVAC Systems
  • Underground Branch Circuits
  • Indoor Applications Exposed to Moisture

Particular applications for size 8/3 UF-B:

  • 240V Circuits With a Neutral
  • Subpanels
  • Well Pumps
  • Larger HVAC Systems

  • 8/3 UF-B Standards:

    • Ul Standard 493 for Thermoplastic-Insulated Underground Feeder and Branch Circuit Cables
    • For use in interior wiring in wet, dry or corrosive locations under recognized wiring methods of the National Electrical Code (NEC)
    • Acceptable to be installed as a Non-Metallic Sheathed Cable following NEC Article 339-3 (4)
    • Acceptable for use per NEC Articles 300-4(b) and 339
    • ASTM - B3 and B-8
    • UL Standard 83
    • Federal Specification A-A-59544
    • RoHS/ REACH

    8/3 UF-B Construction:


    UF-B wire has solid or stranded Type THHN/THWN that are laid parallel with an uninsulated grounding conductor. The conductors are made of stranded annealed bare copper.


    The cable is insulated with a PVC jacket with a nylon covering. It is resistant to moisture, grease, corrosion, sunlight, and chemicals. 

    8/3 UF-B Specifications:

    • Size AWG: 8
    • Weight per 1,000 ft: 344 lbs
    • Outside Diameter: 1.059 Inch X.319 Inch
    • Conductors: 3
    • Number of Strands: 7
    • Jacket: PVC
    • Insulation and Jacket Thickness: 35 mils
    • Jacket Thickness: 45 mils
    • Ground Size: 8

        *Data provided on this page is subject to change based on different manufacturers' variances
        ** Images are for display purposes only refer to Product Technical Details for accurate information on the product.
        In the case the material only comes in a predetermined color or doesn’t come with any color

        Download PDF Spec Sheet


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        500' 8/3 Underground Feeder Cable UF-B Copper 600V