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

This 12 AWG GPT primary wire is built for low-voltage automotive and trailer circuits, offering a reliable, flexible solution for 12V and 24V systems. Constructed from stranded annealed copper and insulated with general-purpose thermoplastic (GPT), it complies with SAE J1128 specifications and performs in demanding environments.

Specifications & Features

• Gauge: 12 AWG
• Stranding: 19 x 0.018"
• Outside Diameter: 0.145"
• 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, white, yellow, blue, green, gray, tan, purple, pink, orange, dark green, dark blue, brown
• Highly flexible and resistant to abrasion, oil, and moisture
• Designed for automotive, trailer, RV, and industrial 12V/24V systems
• Made in USA

Application Notes

This wire is ideal for harnesses, lighting, dashboards, and accessory power circuits. Color-coded insulation enables fast circuit identification and simplified diagnostics in both OEM and aftermarket installations.