... NC is low-smoke, halogen-free, flame-retardant, fire-resistant.2. Operating Characteristics1) Rated Voltage (A.C.): Uo/U 150/250V ... , fire-resistant, shipboard control cable (NA)CKEV/NAEPR insulated, PVC sheathed, flame-retardant, fire-resistant, shipboard control cable (NA)CKEV80/NAEPR insulated, PVC inner sheathed, bare ...