The Romex SIMpull 100 feet 14/2 NM-B wire features conductor material encased in a SIM Technology jacket for wire pulling ease. The solid wire is designed for use in interior residential applications. UL listed. Romex SIMPULL NM-B Residential57 lb. per 1000' per lb.NM-B - Non Metallic Type B600 VoltsFor Dry Locations Only90°C Heat CapacityWhite jacket2 conductor design14 AWG19 mils insulation and jacket thickness