GPT Automotive Wire – PVC Insulated Cable for Low Voltage SAE J1128 Applications
GPT automotive wire is a general-purpose, low-voltage wire constructed with polyvinyl chloride (PVC) insulation, compliant with SAE J1128 standards. Rated for temperatures from -40°C to +80°C and voltages up to 60V DC, GPT wire is ideal for automotive interior circuits.
Featuring a stranded bare copper conductor and durable PVC insulation, GPT wire provides reliable electrical conductivity and flexibility. It is widely used in dashboards, lighting, control modules, and automotive signal transmission systems.
Key Features of GPT Automotive Wire
- Meets SAE J1128 standard
- Temperature range: -40°C to +80°C
- Voltage rating: 60V DC / 25V AC
- PVC insulation for chemical and abrasion resistance
- Available in multiple colors for circuit identification
Application
- Dashboard wiring and interior lighting systems
- Automotive control modules and signal harnesses
- Low-voltage vehicle electrical systems
- Suitable for general-purpose automotive wire harnessing
GPT wire is a dependable choice for standard automotive circuits where flexible, low-voltage, and chemically resistant wire is required.
Mechanical and Thermal Properties – SAE J1128 Testing
| SAE Cable Type | Min. Tensile Strength (MPa) | Min. Tensile Strength (psi) | Min. Elongation (%) | Test Temp (°C ±2°C) | Temp Class Rating (°C ±2°C) |
| TWP / GPT / HDT | 11 | 1600 | 125 | 110 | 80 |
| STS / HTS | 7 | 1000 | 150 | 110 | 80 |
| TXL / GXL / SXL | 10 | 1500 | 150 | 155 | 125 |
| TWE / GTE / HTE | 11 | 1600 | 200 | 150 | 120 |
Note: The above accelerated aging temperatures are appropriate for insulating materials currently specified in this standard. Different test conditions may be necessary for other materials.