20 AWG Primary Wire GPT Stranded Copper Automotive Wire 25 ft to 500 ft Made in USA

This 20 AWG GPT primary wire is built for low-voltage automotive and general electronic wiring applications. Manufactured from stranded annealed copper and insulated with GPT thermoplastic, it delivers dependable performance in tight spaces and high-flex installations. Its compact diameter allows for efficient routing in harnesses and confined compartments.

Specifications & Features

• Gauge: 20 AWG
• Stranding: 7 x 0.012″
• Outside Diameter: 0.087″
• Conductor Material: 100% stranded annealed copper
• Insulation Type: GPT – General Purpose Thermoplastic
• Voltage Rating: Up to 60V
• Temperature Rating: -40°C to 80°C (-40°F to 176°F)
• Standards Met: SAE J1128, RoHS compliant
• Available Colors: Black, Red, Yellow, White, Blue, Green, Brown
• Highly flexible and oil-resistant GPT insulation for durability in demanding environments
• Ideal for automotive harnesses, electronics, and compact low-voltage circuits
• Made in USA

Application Notes

This wire is recommended for dashboard wiring, lighting, tractors, trailers, and accessory power circuits. Its color-coded availability supports clean routing and fast diagnostics in both OEM and aftermarket installations.