UL 719 NM-B Residential Wiring – Electrical Wire – 12/2, 12/3, 10/2, 10/3

Building Wires UL/CUL140

UL 719 NM-B Residential Wiring – Electrical Wire – 12/2, 12/3, 10/2, 10/3-Picture1

1. Applications

  • Type NM-B (Non-metallic sheathed cable) has a broad range of usage as defined in Article 334 of the National Electrical Code (NEC).
  • Commonly used for residential fixtures, switches, and loads rated for at least 90ºC.
  • Ampacity limitation: Shall be in accordance with the 60ºC conductor temperature rating, as specified in the NEC.
  • Rated voltage: 600 volts for both exposed and concealed work in normally dry locations.
  • Installation: May be installed or fished in air voids, joints, and masonry block or tile walls, provided the walls are not exposed to excessive moisture or dampness.

2. Standards

  • Underwriters Laboratories Standards: UL-83, UL-719
  • Federal Specification: A-A-59544
  • ASTM Standards: ASTM-B3 and B8
  • ARRA 2009: Section 1605 "Buy American" Compliant

3. Construction

Conductors

  • Solid Conductors: 14-10 AWG, soft, uncoated copper (per ASTM-B3).
  • Stranded Conductors: 8 AWG and larger, uncoated copper (per ASTM-B8).

Insulation

  • Color-coded Polyvinyl Chloride (PVC) compound meeting the required thickness.
  • Type THHN with a heat-stabilized Nylon jacket, rated for 90°C in dry locations.

Grounding Conductor

  • Soft, uncoated copper (per ASTM-B3 and/or ASTM-B8).

Jacket

  • A 30-mil, color-coded PVC jacket is applied over the completed assembly as follows:
    • 14 AWG: White
    • 12 AWG: Yellow
    • 10 AWG: Orange
    • 8 AWG: Black
    • 6 AWG: Black

4. Specifications

Size (AWG) Number of Strands Ground Wire Size Insulation Thickness (in) Allowable Ampacity (Amps) Outside Diameter (in) Approximate Net Weight (lbs/1000 ft)
14/2 G Solid 14 0.015 15 0.170 x 0.390 56
12/2 G Solid 12 0.015 20 0.160 x 0.450 82
10/2 G Solid 10 0.020 30 0.210 x 0.493 123
8/2 G 7 10 0.030 40 0.290 x 0.580 185
6/2 G 7 10 0.030 55 0.330 x 0.695 256
14/3 G Solid 14 0.015 15 0.170 x 0.450 74
12/3 G Solid 12 0.015 20 0.345 107
10/3 G Solid 10 0.020 30 0.430 165
8/3 G 7 10 0.030 40 0.555 251
6/3 G 7 10 0.030 55 0.612 352
4/3 G 7 8 0.040 70 0.820 565
2/3 G 7 8 0.040 95 0.945 841
14/4 G & 14/2-2 G Solid 14 0.015 12 0.345 90
12/4 G & 12/2-2 G Solid 12 0.015 16 0.385 132
10/4 G Solid 10 0.020 30 0.540 205

UL 719 NM-B Residential Wiring – Electrical Wire – 12/2, 12/3, 10/2, 10/3-Picture2