Specifications

Infantry field telephone wire
Twisted twin cores
Conductor: each conductor composes of four tin covered annealed copper wires

Infantry Field Telephone wire

 

Standards: Comply with MIL-C-13294C

 

Application:

For use as battle field telephone wire,

Resistant to sunlight, moisture, heat and abrasion

 

Product Description:

Twisted twin cores

Conductor: each conductor composes of four tin covered annealed copper wires stranding and three zinc covered steel wires stranding.

Insulation: weather resistant PE insulation

Jacket: nylon jacket

 

Cable structure:

 

 

 

Physical characteristics and electrical characteristics:

Maximum DC conductor resistance: 151ohmper Km at 20°C

Minimum insulation resistance: 3500Mohm per Km at 20°C

Breaking load test: 72 kg(Minimum)

Cutting load test:  55lb/25kg(Average)

Dielectric strength test:1000VAC (Minimum)

Weight of zinc covering for each steel strand:25 GM/KG(Minimum)

Weight of tin covering for each copper strand:8.75-24.8 GM/KG(Minimum)

 

 

 

Dimensional Data

 

Conductor Strands		Insulation Thickness	Jacket Thickness	Nominal O.D.
Copper	Steel
No./mm	No./mm	mm	mm	mm
4/0.280	3/0.280	0.47	0.16	2.1±0.05x4.2±0.05

 

 Production equipment and test equipment:

  

 

 

 

 

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