Primary GPT (General Purpose Thermoplastic Insulated) automotive hook up wire is recommended for general purpose wiring of trucks, tractors, trailers, cars, boats, buses, RVs, motorcycles and other surface vehicle motor driven equipment. GPT automotive wire is also used in car audio electronics and low voltage manufacturing.

Additionally, GPT automotive wire has multi-stranded cores with flexible insulation, which makes them perfect for tight spaces. GPT wire also has a temperature range of -40 ^o C to 80°C. Some GPT automotive wire has a higher temperature rating of 105 °C. These wires can easily resist chemicals, oils, and acids.