Road Power 100 ft. Blue 18-Gauge PVC-Coated Primary Wire is a versatile wiring solution designed for general-purpose use in automobiles, boats, trucks, buses, tractors, trailers, and other motor-driven equipment. This primary wire is i for surface electrical systems operating at 60 DC volts or less, and 25 AC volts or less. It features a single conductor of stranded copper, insulated with color-coded PVC that resists oil, grease, and diesel fumes, ensuring durability and reliability in demanding environments. The wire operates effectively within a temperature range of -20°C to +60°C and meets SAE standards for quality and performance. This blue 18-gauge wire is for a wide range of electrical applications requiring dependable and long-lasting wiring. Model Number: