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Wire Type Wire Type |
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System of Measurement System of Measurement |
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Current Current |
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Use For Use For |
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Voltage Voltage |
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Shielding Shielding |
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![]() | Unshielded |
Flexibility Flexibility |
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![]() | Bend and Stay |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Wire Material Wire Material |
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Outer Insulation Material Outer Insulation Material |
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Wire Finish Wire Finish |
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Minimum Temperature Minimum Temperature |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Wire and Cable
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Building Cable

NM-B
- Use For:
NM-B, THHN: Buildings
UF-B, THHN: Buildings, Outdoors - Bend and Stay
- Temperature Range: 10° to 190° F
- Insulation: PVC Plastic
Rated for in-wall installation, this cable carries power to wall outlets. Also known as branch circuit wire, it can be used without conduit. It has solid THHN building wires, so the cable will stay in the shape you bend it. The uninsulated ground wire is not counted in the number of wires.
NM-B cable is for dry locations where moisture is not a concern, and often run through walls, ceilings, and concrete blocks.
Per Ft. | |||||||||||||
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Wire Ga. | No. of Wires | Cable AWG | Current | Wd. | Thick. | Outer Insulation Color | Inner Insulation Color | Features | Specifications Met | Length, ft. | 1-249 | 250-Up | |
NM-B, THHN Solid Wire | |||||||||||||
600V AC | |||||||||||||
14 | 2 | 14/2 | 15 A @ 86° F | 0.37" | 0.16" | White | Black, White | Uninsulated Ground Wire | UL Listed, UL 719 | 00000000 | 00000 | 00000 | |
14 | 3 | 14/3 | 15 A @ 86° F | 0.46" | 0.18" | White | Black, Red, White | Uninsulated Ground Wire | UL Listed, UL 719 | 00000000 | 000 | 000 | |
12 | 2 | 12/2 | 20 A @ 86° F | 0.42" | 0.18" | Yellow | Black, White | Uninsulated Ground Wire | UL Listed, UL 719 | 00000000 | 0000 | 000 | |
12 | 3 | 12/3 | 20 A @ 86° F | 0.52" | 0.19" | Yellow | Black, Red, White | Uninsulated Ground Wire | UL Listed, UL 719 | 00000000 | 0000 | 0000 | |
10 | 2 | 10/2 | 30 A @ 86° F | 0.49" | 0.21" | Orange | Black, White | Uninsulated Ground Wire | UL Listed, UL 719 | 00000000 | 0000 | 0000 | |
10 | 3 | 10/3 | 30 A @ 86° F | 0.63" | 0.22" | Orange | Black, Red, White | Uninsulated Ground Wire | UL Listed, UL 719 | 00000000 | 0000 | 0000 |