The JT&T Products 128F 12 AWG Brown Primary Wire is a standard for original machinery and replacement on vehicular equipment. It has stranded, annealed single-conductor copper built within general purpose thermoplastic (GPT) insulation. This 12-foot cut 12 AWG electrical wire has a smooth surface that’s ideal for pulling through loom or JT&T Flex-Guard convoluted tubing. It is also resistant to grease, oils and acids.