CONSTRUCTION
Southwire's Romex SIMpull ? Type NM-B cable is manufactured as 2, 3, or 4 conductor cable, with a ground wire. Copper
conductors are annealed (soft) copper. Stranded conductors are compressed stranded. Conductor insulation is 90?C-rated
polyvinyl chloride (PVC), nylon jacketed. Southwire's SIMpull ? Designed for Easier Pulling, Resulting in Easier installation.
The cable jacket is color-coded for quick size identification; White - 14 AWG, Yellow - 12 AWG, Orange - 10 AWG, and Black -
8 AWG and 6 AWG.
The above is from the product specification from Southwire as it relates to their "romex".
110.14(C) - Temperature Limitations. The temperature rating associated with the ampacity of a conductor shall be selected and coordinated so as not to exceed the lowest temperature rating of any connected termination, conductor, or device. Conductors with temperature ratings higher than specified for terminations shall be permitted to be used for ampacity adjustment, correction, or both.
Pete