12/3C NM-B Wire Yellow
Size: 12 AWG
Number of Conductors: 3
PVC Insulation Thickness: 0.380 mm / 0.015 inches
Ground Wire Size: 12 AWG
Nylon Thickness: 0.100 mm / 0.004 inches
Nominal Cable Dimensions: 8.6 mm / 0.37 inches
Weight per foot: 0.107 lbs
Allowable Ampacity: 20 Amps
*Data provided on this page is subject to change based on different manufacturers variances.
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NM-B Wire – Sold by the foot.
Non-metallic sheathed NM-B cable is used in normally dry installations in residential wiring, as branch circuits for outlets, lighting and other residential loads. Its applications are outlined in NEC 2008 and NEC 2011 Article 334. NM-B is rated at 600 volts and although it is rated at a conductor temperature of 90°C dry , its ampacity is limited to 60°C according to the NEC 2008 and NEC 2011. It may be fished through masonry or tile walls, where not exposed or subject to excessive moisture or dampness. NM-B cables are LEAD FREE and RoHS compliant.
Also Known As: NM-B – 12 AWG, NM-B – Type, Building Wire, Wire, Cables, Cords, Romex ®
Meets or exceeds all applicable ASTM specifications
UL 83: Thermoplastic Insulated Wires and Cables
UL 719: Non-Metallic Cables
Federal Specification A-A-59544 and requirements of the NEC.
Voltage rating – 600 volts.
Solid 14 to 10 AWG annealed soft bare copper per ASTM B3.
Stranded 8 AWG and larger annealed soft bare copper per ASTM B3 and B8.
Color coded polyvinyl chloride (PVC) compound with a nylon covering meeting the required thickness of Type THHN. Conductor insulation is rated 90°C.
Soft, bare copper solid per ASTM B3 and stranded per ASTM B3 and B8
30 mil color coded PVC sheath rated 90C is applied over the completed assembly