• NM-B Romex Copper Wire 250'/1000' Spools

    Product Details

    Applications:
    Type NM-B (nonmetallic-sheathed cable) may be used for both exposed and concealed work in normally dry locations at temperatures not to exceed 90°C (with ampacity limited to that for 60°C conductors) as specified in the National Electrical Code 1 . NM-B cable is primarily used in residential wiring as branch circuits for outlets, switches, and other loads. NM-B cable may be run in air voids of masonry block or tile walls where such walls are not wet or damp locations. Voltage rating for NM-B cable is 600 volts.

    Specifications:
    Type NM-B cable meets or exceeds UL Standard 83, UL Standard 719, Federal Specification
    A-A-59544, and requirements of the National Electrical Code.

    Construction:
    Type NM-B cable is manufactured as 2, 3, or 4 conductor cable, with a ground wire. Copper conductors are annealed (soft) copper. Stranded conductors are compressed stranded. Conductor insulation is 90°C-rated
    polyvinyl chloride (PVC), nylon jacketed. Designed for Easier Pulling, Resulting in Easier installation.

    Size
    (AWG or KCMIL)
    Phase Conductor Number of Conductors in Cable Ground Wire Diameter Complete Cable (O.D.) (Mils) Weight Per 1000ft Total (Lbs.) Allowable Ampacity 90C (Amps)
    Size AWG Strand- ing Insulation Thickness Size AWG No. Strands
    NMB 14 Gauge 14 1 19 mls 2 14 1 360 x 162 57 15
    NMB 12 Gauge 12 1 19 mls 2 12 1 410 x 179 82 20
    NMB 10 Gauge 10 1 24 mls 2 10 1 494 x 210 124 30
    NMB 8 Gauge 8 1 35 mls 2 10 1 612 x 269 186 40
    NMB 6 Gauge 6 1 35 mls 2 10 1 683 x 304 255 55
    NMB 14 Gauge 14 1 19 mls 3 14 1 307 74 15
    NMB 12 Gauge 12 1 19 mls 3 12 1 347 107 20
    NMB 10 Gauge 10 1 24 mls 3 10 1 422 164 30
    NMB 8 Gauge 8 7 35 mls 3 10 1 565 253 40
    NMB 6 Gauge 6 7 35 mls 3 10 1 650 357 55
    NMB 4 Gauge 4 7 46 mls 3 8 1 814 560 70
    NMB 2 Gauge 2 7 46 mls 3 8 1 952 816 95
    NMB 14 Gauge 14 1 19 mls 2/2 14 1 336 91 15
    NMB 14 Gauge 14 1 19 mls 4 14 1 336 91 15
    NMB 12 Gauge 12 1 19 mls 2/2 12 1 381 132 20
    NMB 12 Gauge 12 1 19 mls 4 12 1 381 132 20

    Quick Quote Form 

    * Indicates required field

    Receive A Response In 5 Minutes Or Less During Regular Business Hours

    Captcha Image

    This product has no related products.

Request a Quote

Receive A Response In 5 Minutes Or Less During Business Hours

Sign up for our newsletter

Register with Nassau today.

Subscribe to Newsletter