SPEC: 10004
18-16 SD CU TFFN/MTW/AWM 1316/1452 BLACK 2500 FT
Southwire #: 27021505
Application & Features
APPLICATION
Southwire Type TFN/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® and other applicable codes and standards. Voltage for all applications is 600 volts. Allowable temperatures are as follows:
- TFN/TFFN- Dry locations not to exceed 90°C
- AWM- When rated as appliance wiring material in dry locations, conductor temperatures not to exceed 105°C
- MTW- Wet locations or when exposed to oil at temperatures not to exceed 60°C or dry locations not to exceed 90°C (with ampacity limited to that for 75°C conductor temperature per NFPA 79)
FEATURES
- Gasoline and Oil Resistant II
- MTW- Stranded Constructions Only
- RoHS Compliant
Specifications
| Cond. Size | 18 AWG 18 AWG | |
| Conductor Number | 1 1 | |
| Cond. Strands | 16 16 | |
| Diameter Over Conductor (in) (cm) | 0.045 0.11 | inch cm |
| Inner Layer Thickness (mils) (mm) | 15 0.38 | mils mm |
| Outer Layer Thickness (mils) (mm) | 5 0.13 | mils mm |
| Approx. OD (in) (cm) | 0.085 0.22 | inch cm |
| Copper Weight (lbs/1000') (kgs/km) | 4 6 | lbs/1000' kgs/km |
| Approx. Weight (lbs/1000') (kgs/km) | 7 10 | lbs/1000' kgs/km |
Standards & References
- ASTM B3 Soft or Annealed Copper Wire
- ASTM B174 Standard Specification for Bunch-Stranded Copper
- UL 66 Fixture Wire
- UL 758 Standard for Appliance Wiring Material
- UL 1063 Machine Tool Wiring (MTW)
Construction
- Conductor: Solid soft drawn bare copper per ASTM B3 for TFN. Class K bunch-stranded soft drawn bare copper per ASTM B174 for TFFN.
- Insulation: Heat and moisture resistant PVC
- Sheath: Nylon