GPT Primary Wire is used whenever an application specifies SAE J1128 requirements for general circuit wiring. This includes automotive, electric motor, and generator applications. It is a stranded copper wire provides good electrical connectivity while PVC insulation protects the wire against abrasion, chemicals, oils, and solvents. Certified to: SAE: J2549, Ford: ESB-M1L 56-A, Chrysler: MS-3450, Delphi: ESM-3012. Available in Black, Red, White, Blue, Green & Yellow.