Southwire Romex® Brand SIMpull® Type NM-B (nonmetallic-sheathed) cable may be used for both exposed and concealed work in dry locations as specified in the National Electrical Code®. 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.
Cond. Size | 12 AWG 12 AWG | |
Conductor Number | 4 4 | |
Cond. Strands | Solid Solid | |
Diameter Over Conductor (in) (cm) | 0.080 0.20 | inch cm |
Inner Layer Thickness (mils) (mm) | 20 0.51 | mils mm |
Ground Size | 1x12 1x12 | |
Outer Layer Thickness (mils) (mm) | 30 0.76 | mils mm |
Approx. OD (in) (cm) | 0.395 1.00 | inch cm |
Copper Weight (lbs/1000') (kgs/km) | 99 147 | lbs/1000' kgs/km |
Approx. Weight (lbs/1000') (kgs/km) | 138 205 | lbs/1000' kgs/km |
* 2x2 construction