Infantry Field Wire(Type Wd-1/TT or W-190 as per MIL-C-13294C)
*Application
This is mainly employed as military guard telephone wires and other electrical application and has the following features.
- High mechanical strength aids installation and easy withdrawal.
- Excellent in weather proofness
- Variety usage
*Construction
- Conductor: Composed of 4 strands of 0.28 mm tinned copper wire and 3 strands of
0.28mm galvanized steel wire
- Insulation: Black Polyethylene extrusion
- Sheath: Natural colored nylon extrusion
- Finished field wire: Two finished single conductors shall be twisted closely together
*Electrical Requirements
- Conductor resistance: Not exceeding 151Ω/km at 20℃
- Dielectric strength: To be capable of withstanding A.C 1,000 volts for at least 1 min.
- Insulation resistance: Not less than 1000 MΩ/km