Product image 1
Product image 2
Product image 3
Product image 4
Product image 5
Product image 6
Product image 7
Product image 8
Product image 9
Product image 10
Product image 11
Product image 12
Product image 13
Product image 14
Product image 15
Product image 16
Product image 17
Product image 18
Product image 19
Product image 20
Product image 21
Product image 22
Product image 23
Product image 24
Product image 25
Product image 26
Product image 27
Product image 28
Product image 29
Product image 30
Product image 31
Product image 32
Product image 33
Product image 34
Product image 35
Product image 36
Product image 37
Product image 38
Product image 39
Product image 40
Product image 41
Product image 42
HomeStore

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

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

This 18 AWG GPT primary wire is engineered for low-voltage automotive, trailer, and industrial circuits. Manufactured with 100% stranded annealed copper and insulated with general-purpose thermoplastic (GPT), this wire delivers dependable conductivity and flexibility, even in harsh conditions.

Specifications & Features

  • Gauge: 18 AWG
  • Stranding: 16 x 0.010"
  • Outside Diameter: 0.091"
  • Conductor Material: 100% stranded annealed copper
  • Insulation Type: GPT – General Purpose Thermoplastic
  • Voltage Rating: For circuits up to 60V
  • Temperature Rating: -40°C to 80°C (-40°F to 176°F)
  • Standards Met: SAE J1128, RoHS compliant
  • Available Colors: Black, Blue, Brown, Green, Grey, Orange, Pink, Purple, Red, White, Yellow, Dark Blue, Dark Green, Tan
  • Highly flexible and oil-resistant insulation for rugged automotive environments
  • Recommended for vehicle harnesses, lighting systems, and low-voltage accessory circuits
  • Made in USA

Application Notes

This wire is suitable for automotive dashboards, trailers, tractors, and 12V or 24V accessory power systems. The variety of color options enhances wire tracing, organized installations, and long-term maintenance for both OEM and aftermarket projects.

Select Color
Select Length
From $2.10

Original: $5.99

-65%
18 AWG Primary Wire - GPT Stranded Copper Automotive Wire - 25 ft to 500 ft - Made in USA

$5.99

$2.10

Product Information

Shipping & Returns

Description

This 18 AWG GPT primary wire is engineered for low-voltage automotive, trailer, and industrial circuits. Manufactured with 100% stranded annealed copper and insulated with general-purpose thermoplastic (GPT), this wire delivers dependable conductivity and flexibility, even in harsh conditions.

Specifications & Features

  • Gauge: 18 AWG
  • Stranding: 16 x 0.010"
  • Outside Diameter: 0.091"
  • Conductor Material: 100% stranded annealed copper
  • Insulation Type: GPT – General Purpose Thermoplastic
  • Voltage Rating: For circuits up to 60V
  • Temperature Rating: -40°C to 80°C (-40°F to 176°F)
  • Standards Met: SAE J1128, RoHS compliant
  • Available Colors: Black, Blue, Brown, Green, Grey, Orange, Pink, Purple, Red, White, Yellow, Dark Blue, Dark Green, Tan
  • Highly flexible and oil-resistant insulation for rugged automotive environments
  • Recommended for vehicle harnesses, lighting systems, and low-voltage accessory circuits
  • Made in USA

Application Notes

This wire is suitable for automotive dashboards, trailers, tractors, and 12V or 24V accessory power systems. The variety of color options enhances wire tracing, organized installations, and long-term maintenance for both OEM and aftermarket projects.

18 AWG Primary Wire - GPT Stranded Copper Automotive Wire - 25 ft to 500 ft - Made in USA | Sherco-Auto