Type NM-B cable is designed specifically for use in residential and commercial wiring of branch circuits. Installation above ground and in dry locations only. Approved for service to 600 volts. PVC (polyvinyl chloride) jacket and PVC insulated, nylon jacketed conductors. Flame-retardant and crush-resistant. UL (Underwriter’s Laboratories) listed.Designed specifically for use in residential and commercial wiring of branch circuitsApproved for service to 600 voltsFlame-retardant and crush-resistantPVC jacket and PVC insulated, nylon jacketed conductorsUL Listed