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6/2 NM-B, Non-Metallic, Sheathed Cable, Residential Indoor Wire

6/2 NM-B, Non-Metallic, Sheathed Cable, Residential Indoor Wire

Best price now

$168.81at WirencoChecked Nov 9

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Price facts

  • Last seen at $168.81 at Wirenco on Nov 9.
  • Our take on the 6/2 NM-B, Non-Metallic, Sheathed Cable, Residential Indoor Wire

    This is 6 AWG two-conductor NM-B cable with a 10 AWG ground, the standard sheathed wiring for dry, indoor residential branch circuits. The copper conductors are PVC-insulated with a nylon jacket rated 90°C, wrapped in a 30 mil PVC sheath, and the assembly is rated 600 volts. Ampacity is capped at the 60°C column per NEC, so it is sized for heavy loads like ranges, dryers and subpanels rather than general lighting. It is stiffer and harder to pull than smaller gauges, which is the main trade-off against 12/2 and 14/2 for routine outlet runs.

    Best forRange, dryer and subpanel feeders240V appliance circuitsResidential remodel and new construction wiringDry indoor runs through studs and joists
    Pros
    • 6 AWG copper handles high-current appliance circuits
    • 10 AWG ground included in the assembly
    • Nylon-jacketed THHN-style insulation resists abrasion when pulling
    • Lead free and RoHS compliant
    • Meets UL 83, UL 719 and ASTM specs
    Cons
    • Stiff and hard to bend in tight boxes
    • Heavier and harder to pull than 12/2 or 14/2
    • Not for wet, damp or exposed outdoor locations
    • Ampacity limited to the 60°C column despite 90°C insulation

    6/2 NM-B, Non-Metallic, Sheathed Cable, Residential Indoor Wire prices at every store

    • WirencoNew

      In stockReturn policy

      $168.81Checked Nov 9
      Visit Wirenco

    About the 6/2 NM-B, Non-Metallic, Sheathed Cable, Residential Indoor Wire

    This is 6/2 NM-B non-metallic sheathed cable for residential indoor wiring. It is used in normally dry installations as branch circuits for outlets, lighting and other residential loads. It may be fished through masonry or tile walls where it is not exposed or subject to excessive moisture or dampness.

    Each conductor is insulated with color-coded PVC and a nylon covering that meets the required thickness of Type THHN. The assembly is covered by a 30 mil color-coded PVC sheath. Conductor insulation and sheath are both rated 90°C.

    The cable is rated at 600 volts. It is rated for a 90°C conductor temperature when dry, but its ampacity is limited to 60°C under NEC 2008 and NEC 2011. Its applications are outlined in NEC 2008 and NEC 2011 Article 334. It is lead free and RoHS compliant.

    Cable type
    NM-B non-metallic sheathed cable
    Conductor size
    6 AWG
    Conductors
    2
    Ground wire
    10 AWG
    Voltage rating
    600 volts
    Allowable ampacity
    55 amps
    Temperature rating
    90°C conductor and sheath; ampacity limited to 60°C
    Insulation
    Color-coded PVC with nylon covering, Type THHN thickness
    Insulation thickness
    PVC 0.76 mm / 0.029 in; nylon 0.13 mm / 0.005 in
    Sheath
    30 mil color-coded PVC
    Dimensions
    Nominal 8.1 x 17.3 mm / 0.31 x 0.68 in
    Weight
    0.255 lbs per foot
    Standards
    UL 83, UL 719, Federal Specification A-A-59544, NEC, applicable ASTM specifications
    Compliance
    Lead free, RoHS compliant
    Use
    Residential indoor, normally dry locations

    Questions and answers

    What is 6/2 NM-B cable used for?
    It feeds high-current 240V residential loads such as electric ranges, dryers and subpanels, and other dry indoor branch circuits. It is not rated for wet or damp locations.
    How many wires are in 6/2 NM-B?
    Two 6 AWG current-carrying conductors plus a 10 AWG ground, all in one PVC sheath. The ground is bare or green depending on the run.
    Can 6/2 NM-B be used outdoors?
    No. NM-B is for normally dry indoor installations. Exposed outdoor, wet or damp runs need a cable rated for those conditions.
    What amperage does 6 AWG NM-B carry?
    Ampacity is limited to the 60°C column under the NEC, which puts 6 AWG copper at 55 amps. Confirm the final breaker size against your local code and load.
    Does 6/2 NM-B have a ground wire?
    Yes, it includes a 10 AWG equipment ground. That ground is smaller than the 6 AWG conductors, which is standard for this cable type.
    Is 6/2 NM-B hard to bend?
    Yes. Six-gauge copper is stiff, so it takes more effort to route and bend into boxes than 12/2 or 14/2. Plan bends and box fill before you pull it.
    Where is the 6/2 NM-B, Non-Metallic, Sheathed Cable, Residential Indoor Wire cheapest?
    At Wirenco, for $168.81, as of our latest check.

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