12 AWG High Temperature Wire

TOT Wire & Cable’s 12 AWG High Temperature Wire is engineered for performance in high-heat environments where conventional wire insulation cannot withstand the heat. Ideal for industrial, commercial, and specialty applications, this wire combines thermal endurance with mechanical durability.

  • High Temperature Wire 12 Awg

12 AWG High Temperature Wire


Heavy-Duty Heat-Resistant Cable for Demanding Applications

  • Conductor Type Solid or Stranded Bare Copper
  • Wire Gauge 12 AWG
  • Insulation Silicone Rubber / PTFE / Fiberglass
  • Voltage Rating 300V – 600V
  • Rated Temperature Up to 200°C (varies by material)


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TOT Wire & Cable’s 12 AWG High Temperature Wire is engineered for performance in high-heat environments where conventional wire insulation cannot withstand the heat. Ideal for industrial, commercial, and specialty applications, this wire combines thermal endurance with mechanical durability.


✅ Key Features

  • High-Temperature Insulation: Available in Silicone Rubber, Fiberglass, or PTFE (Teflon) insulation

  • Durable Copper Conductor: High-conductivity solid or stranded copper core

  • Wide Operating Range: Heat resistance up to 200°C or more depending on insulation type

  • Compliant with UL and RoHS Standards

  • Resistant to chemicals, oils, moisture, and abrasion


🔧 Technical Specifications

Property Value
Conductor Size 12 AWG
Conductor Type Solid or Stranded Bare Copper
Insulation Options Silicone Rubber / PTFE / Fiberglass
Rated Temperature 150°C – 250°C (depending on insulation)
Voltage Rating 300V – 600V
Outer Diameter ~3.2 mm – 4.1 mm
Standards UL 5107 / UL 1332 / UL 5256 / RoHS

🔌 Common Applications

  • Ovens, furnaces, and high-heat appliances

  • Industrial machinery and control systems

  • High-temperature lighting installations

  • HVAC, boiler, and heating systems

  • Automotive and aerospace harnesses

  • Electric motors and generators


🏆 Why Choose TOT Wire & Cable?

  • 🛠️ Tailored Options – Choose insulation type, length, packaging, and conductor style

  • 💰 Factory Pricing – Cost-effective for both OEMs and distributors

  • 📦 Reliable Inventory – Fast shipping with customizable MOQs

  • ✔️ ISO-Certified Quality – Performance you can trust under heat and load


📩 Contact Us for Bulk Pricing or Samples

Need a 12 AWG high temperature copper wire that performs under pressure?

Get in touch with TOT Wire & Cable for product specs, custom solutions, or a quick quote.

📧 Email: inquiry@totcables.com