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2/3 W/GRND NM-B 600V Stranded Black

2/3 W/GRND NM-B 600V Stranded Black

5(7 ratings)

Best price now

$18.29at NassauNationalCableChecked Nov 10

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Price facts

  • Last seen at $18.29 at NassauNationalCable on Nov 10.
  • Our take on the 2/3 W/GRND NM-B 600V Stranded Black

    This is 2-3 NM-B non-metallic sheathed cable with a ground conductor, rated 600V and 95 amps, sold as stranded black wire. It is the heavy-gauge branch-circuit cable used for large residential loads such as ranges, dryers and subpanels. NM-B is dry-indoor only and must stay at or below 90 °C. Against smaller NM-B sizes it carries far more current but is stiffer to pull; against conduit-and-THHN it installs faster but cannot go outdoors or in wet locations.

    Best forResidential range, dryer and subpanel feedsDry indoor branch circuitsHomeowners and electricians pulling large-gauge cableJobs where a bare ground in the sheath is wanted
    Pros
    • 95 amp allowable ampacity
    • 600V rating
    • Includes a ground conductor in the sheath
    • Stranded copper is easier to bend than solid at this size
    • Familiar NM-B format that fits standard boxes and clamps
    Cons
    • Dry indoor use only, not for wet or outdoor runs
    • Temperature limit of 90 °C
    • Large and stiff to pull through framing
    • Not for conduit fill where code requires a wet-location wiring method

    2/3 W/GRND NM-B 600V Stranded Black prices at every store

    • NassauNationalCableNew

      In stockReturn policy

      $18.29Checked Nov 10
      Visit NassauNationalCable

    About the 2/3 W/GRND NM-B 600V Stranded Black

    This is 2 AWG Type NM-B (nonmetallic-sheathed) copper building cable with a 600-volt rating and a black jacket. It has 3 insulated conductors and a bare ground wire. The conductors are soft annealed stranded copper, and the insulation is 90°C-rated PVC with a nylon jacket. The cable is designed for easier pulling during installation.

    NM-B cable is for exposed and concealed work in normally dry indoor locations, at temperatures up to 90°C. It can be run in air voids of masonry block or tile walls that are not wet or damp. At 2 AWG it has an allowable ampacity of 95 amps. That suits heavy-duty uses such as sub panels, large electric appliances and feeder circuits. NM-B is also used for residential branch circuits serving outlets, switches, lights, small appliances and HVAC systems.

    Type
    NM-B nonmetallic-sheathed copper building wire, with ground
    Wire size
    2 AWG
    Conductors
    3, plus a bare ground wire
    Conductor material
    Soft annealed bare copper, compressed stranded
    Strands
    7
    Insulation
    PVC, 90°C rated, nylon jacketed
    Insulation thickness
    46 mils
    Jacket color
    Black
    Voltage rating
    600 volts
    Ampacity
    95 amps
    Max temperature
    90°C
    Weight
    816 lbs per 1000 ft
    Location
    Dry indoor locations; air voids of masonry block or tile walls that are not wet or damp
    Standards
    ASTM B-3 and B-8; UL Standard 83; UL Standard 719; Federal Specification A-A-59544; NEC (NFPA 70, 2011 Edition); RoHS/REACH
    Reference no.
    Southwire 639708 (black)

    Questions and answers

    What is 2/3 NM-B wire used for?
    It feeds large residential loads: electric ranges, dryers, subpanels and similar high-current branch circuits indoors. It is not for outdoor or wet locations.
    How many amps does 2-3 NM-B carry?
    The allowable ampacity is 95 amps. Final breaker size depends on the load and the code rules for the circuit.
    Is this wire stranded or solid?
    It is stranded copper, which bends more easily than solid wire at this gauge.
    Does it include a ground wire?
    Yes. The cable is 2-3 with ground, so two current-carrying conductors plus a bare ground run inside the sheath.
    Can 2/3 NM-B be used outdoors?
    No. NM-B is for dry indoor applications and must not exceed 90 °C. Outdoor and wet runs need a different wiring method.
    What does 600V mean here?
    It is the cable's voltage rating, the maximum circuit voltage it is listed for. Residential branch circuits run well below that.
    Where is the 2/3 W/GRND NM-B 600V Stranded Black cheapest?
    At NassauNationalCable, for $18.29, as of our latest check.
    What do buyers say about the 2/3 W/GRND NM-B 600V Stranded Black?
    Rated 5 out of 5 from 7 ratings.

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