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10/2 UF-B Wire w/ Ground

10/2 UF-B Wire w/ Ground

Best price now

$1.82at Global Cable and WireChecked Nov 10

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Price facts

  • Last seen at $1.82 at Global Cable and Wire on Nov 10.
  • Our take on the 10/2 UF-B Wire w/ Ground

    10/2 UF-B is a two-conductor underground feeder cable with a bare ground, built for direct burial and outdoor runs. Solid 10 AWG copper conductors, PVC/nylon insulation and a gray sunlight-, moisture- and fungus-resistant jacket make it the standard choice for feeding outbuildings, pumps and outdoor lighting. It is rated 600 volts, with ampacity limited to the 60°C column of the NEC. Compared with NM-B, it costs more and is stiffer to pull, but it is the cable that can go in the ground and in sunlight without conduit.

    Best forDirect-burial runs to sheds, pumps and outdoor lightsOutdoor feeders exposed to sunlightDIYers wiring a detached outbuildingBranch circuits needing a 10 AWG ground
    Pros
    • Rated for direct burial without conduit
    • Sunlight, moisture and fungus resistant jacket
    • Solid 10 AWG copper with full-size bare ground
    • 600 V rating covers most residential feeder work
    • Meets UL 83, UL 493 and NEC Article 340
    Cons
    • Stiff and hard to pull, especially in cold weather
    • Ampacity limited to the 60°C column despite 90°C insulation
    • More expensive than NM-B for indoor-only runs
    • Cut-to-length ordering means planning the run first

    10/2 UF-B Wire w/ Ground prices at every store

    • Global Cable and WireNew

      In stockReturn policy

      $1.82Checked Nov 10
      Visit Global Cable and Wire

    About the 10/2 UF-B Wire w/ Ground

    This is 10/2 UF-B cable with a ground wire, an underground feeder and branch circuit cable. It can run from an existing building to outdoor lighting fixtures, pumps, outbuildings and other equipment. It may be directly buried or installed where it is exposed to sunlight. When it is used as NM cable, it must meet the requirements of NEC 2008 and NEC 2011 Article 334.

    The two conductors and the ground wire are solid annealed soft bare copper per ASTM B3. The insulation is PVC with a nylon covering and is color coded for phase identification. The outer jacket is gray PVC that resists sunlight, moisture and fungus.

    The cable is rated at 600 volts and at a conductor temperature of 90°C dry or wet. Its ampacity is limited to 60°C under NEC 2008 and NEC 2011. Its applications are outlined in NEC Article 340.

    Cable type
    UF-B underground feeder and branch circuit cable
    Conductor size
    10 AWG
    Conductors
    2, plus a ground wire
    Conductor material
    Solid annealed soft bare copper per ASTM B3
    Ground wire
    10 AWG, solid soft bare copper per ASTM B3
    Insulation
    PVC with nylon covering, color coded
    PVC thickness
    0.024 inches
    Nylon thickness
    0.004 inches
    Jacket
    Gray PVC, resistant to sunlight, moisture and fungus
    Dimensions
    0.518 inches x 0.215 inches (nominal cable size)
    Weight
    0.178 lbs per foot
    Ampacity
    30 Amps allowable
    Voltage rating
    600 volts
    Temperature rating
    90°C dry/wet conductor temperature; ampacity limited to 60°C
    Standards
    ASTM B3 and B-8, UL 83, UL 493, Federal Specification A-A-59544, NEC (NFPA 70) 2011 Edition, RoHS/REACH
    Length
    Cut to length and sold by the foot; minimum 25 ft, maximum 1000 ft

    Questions and answers

    Can 10/2 UF-B be buried without conduit?
    Yes. UF-B is designed for direct burial and can also be installed where exposed to sunlight. Check local code for burial depth and any conduit requirements under driveways or where the cable is exposed.
    What is the difference between UF-B and NM-B?
    UF-B has a jacket rated for wet locations, sunlight and direct burial; NM-B is for dry, indoor locations only. UF-B is thicker and stiffer, so it is harder to pull through tight runs.
    How many amps can 10/2 UF-B carry?
    Ampacity is limited to the 60°C column of the NEC, which for 10 AWG copper is 30 amps. The 90°C insulation rating does not raise that limit for this cable.
    What is the ground wire in 10/2 UF-B?
    It has two insulated current-carrying conductors plus a bare solid copper ground, all 10 AWG. The ground is not counted in the 10/2 name.
    Can I run 10/2 UF-B to a subpanel?
    It can feed a small subpanel, but 10 AWG limits you to a 30-amp circuit. For larger subpanels you need heavier cable such as 6/3 or 4/3 UF.
    How is the cable ordered?
    It is cut to length and sold by the foot, with a minimum of 25 feet and a maximum of 1,000 feet per order. Measure the full run including slack before ordering.
    Where is the 10/2 UF-B Wire w/ Ground cheapest?
    At Global Cable and Wire, for $1.82, as of our latest check.

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