Southwire Type TFFN or MTW or AWM may be used as fixture wire, machine tool wiring, or appliance wiring material as specified in the National Electrical Code. Voltage for all applications is 600 volts. Allowable temperatures are as follows:

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CU-TFFN

CU-TFFN
  • 600 Volt.
  • Copper Conductor.
  • Thermoplastic Insulation/Nylon Sheath.
  • Heat, Moisture, Oil, and Gasoline Resistant 1.
  • Also Rated MTW and 105 °C AWM
  • Also Available, TFN and TEWN.

Applications

Southwire Type TFFN or MTW or AWM may be used as fixture wire, machine tool wiring, or appliance wiring material as specified in the National Electrical Code. Voltage for all applications is 600 volts. Allowable temperatures are as follows:

  • TFFN- Dry locations not to exceed 90°C
  • MTW- Wet locations or when exposed to oil or coolant at temperatures not to exceed 60°C
  • MTW- Dry locations at temperatures not to exceed 90°C (with ampacity limited to that for 75°C conductor temperature per NFPA 79)
  • AWM- When rated as appliance wiring materialin dry locations, conductor temperatures not to exceed 105°C
  • TEWN- Wet or dry locations conductor temperatures not to exceed 105°C