- Conductors: Solid copper conductors per ASTM B3 or stranded copper conductors per ASTM B3 & B8
- Insulation: Color coded polyvinyl chloride (PVC) rated 90°C dry with nylon (polyamide) covering
- Jacket: Polyvinyl Chloride (PVC) over complete assembly
- Standards:
UL 719
UL 83
- ASTM B3 & B8
- Voltage: 600V
Application
NM-B cable is especially suitable for indoor installations in residential buildings, including new construction and remodeling projects. NM-B wire can be run through wall cavities, ceilings, and floor spaces within wood-framed structures. Additionally, it may be installed in the air voids of masonry block or tile walls, provided these areas are not classified as wet or damp locations. Its durable PVC jacket and clearly color-coded insulation make identification and handling straightforward, contributing to efficient and safe electrical installations throughout the home.
Feature
- annealed (soft-drawn) copper wire in accordance with ASTM B3
- conductors feature concentric-lay stranding per ASTM B8
- complies with UL 719 specifications for nonmetallic-sheathed cable
- conforms to the RoHS 2 Directive (2011/65/EU)
- outlined in Federal Specification A-A-59544
- certified to NOM-063-SCFI, safety requirements for electrical conductors.
Certification
NM-B cable is UL certified, indicating that the product meets the various safety and performance requirements of the UL 719 standard. It covers a number of key indicators such as the cable's electrical performance, flame retardancy, structural integrity, and insulation withstand voltage. The "UL" mark and related identification number are printed on the cable sheath to prove that it has passed authoritative third-party testing.
Package
Factory
Greater Wire Manufacturer can stably provide products that meet multiple international certification standards such as UL, TUV, CE, SAA, etc., and are widely used in multiple high-standard fields such as industrial automation, new energy systems, building electrical, and traffic control. With the strong support of technical equipment, the company not only meets the conventional needs of customers, but also has the comprehensive capabilities of customization, large-scale delivery, and rapid switching of multiple categories, winning high trust and continuous cooperation in the fierce international market.
Case
Partner
FAQ
Q: What is 12/2 NM-B wire used for?
Q: Can NM-B be used in a garage?
Q: Can NM-B be used indoors?
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| CONDUCTOR | INSULATION THICKNESS (MILS) |
GROUND WIRE | APPROX. CABLE DIMENSION (MILS) |
APPROX. NET WT. PER 1000' (LBS.) |
ALLOWABLE AMPACITY + |
|||
|
SIZE (AWG PACKAGE OR KCMIL) |
NO. OF CONDUCTORS |
NO. OF STRANDS |
Size (AWG) |
NO. OF STRANDS |
||||
| TWO CONDUCTOR | ||||||||
| 14 | 2 | 1 | 19 | 14 | 1 | 368X162 | 57 | 15 |
| 12 | 2 | 1 | 19 | 12 | 1 | 418X179 | 82 | 20 |
| 10 | 2 | 1 | 24 | 10 | 1 | 494X210 | 124 | 30 |
| 8 | 2 | 7 | 35 | 10 | 1 | 618X272 | 186 | 40 |
| 6 | 2 | 7 | 35 | 10 | 1 | 658X308 | 252 | 55 |
| THREE CONDUCTOR | ||||||||
| 14 | 3 | 1 | 19 | 14 | 1 | 462X176 | 78 | 15 |
| 12 | 3 | 1 | 19 | 12 | 1 | 524X190 | 112 | 20 |
| 10 | 3 | 1 | 24 | 10 | 1 | 630X220 | 166 | 30 |
| 8 | 3 | 7 | 35 | 10 | 1 | 572 | 255 | 40 |
| 6 | 3 | 7 | 35 | 10 | 1 | 659 | 360 | 55 |
| 4 | 3 | 7 | 46 | 8 | 1 | 825 | 565 | 70 |
| 2 | 3 | 7 | 46 | 8 | 1 | 870 | 818 | 95 |
| FOUR CONDUCTOR | ||||||||
| 14 | 2/2 | 1* | 19 | 14 | 1 | 336 | 91 | 15 |
| 14 | 4 | 1** | 19 | 14 | 1 | 336 | 91 | 15 |
| 12 | 2/2 | 1* | 19 | 12 | 1 | 381 | 132 | 20 |
| 12 | 4 | 1** | 19 | 12 | 1 | 381 | 132 | 20 |
| 10 | 4 | 1 | 24 | 10 | 1 | 465 | 201 | 30 |
