The Power Products Primary Wire is the perfect choice for your wiring project. It features tough thermoplastic insulation that resists acid, oil and moisture, providing superior protection against environmental factors and short circuits. It meets or exceeds SAE J1128 & SAE J378 type GPT specifications, ensuring reliable performance and long-lasting durability. With its brown color, this wire is perfect for any wiring job. FleetPride is your First Click in Heavy Duty®.