TECHNICAL SPECIFICATION OF FIELD TELEPHONE CABLE
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Ser |
Description |
Technical Specification |
|
1 |
Nomenclature |
Field Telephone Cable |
|
2 |
Make and Model |
Yilaite Army wire |
|
3 |
Country of Origin |
China |
|
4 |
Country of Manufacture |
China |
|
5 |
Country of assembly |
China |
|
6 |
Year of Manufacture |
2011 |
|
7 |
Apparent Shape |
Double wire(Twisted) |
|
8 |
Color |
Black |
|
9 |
Warranty |
Minimum 01 (One)year after final acceptance of all item |
|
10 |
Conductors Physical characteristics |
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a.. Number of Strands |
07 Nos
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b.. Number of Tin covered copper Strands |
04 Nos
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c.. Number of Zinc covered steel Strands |
03 Nos
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d.. Diameter of each Strands |
0.28 mm +/- 0.01 mm
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|
|
11 |
Thickness of insulation (Polyethylene) |
l\ilinimum 0.35 mm |
|
12 |
Thickness of Polyamide Jacket (Nylon) |
0.15 mm (Average)
|
|
13 |
Overall diameter of single conductor |
Maximum 2.30 mm |
|
14 |
Breaking load for two wires conductor |
Minimum 72 Kg |
|
15 |
Cutting load test |
55 lbs (Average)/ 25 Kg (Averaqe) |
|
16 |
DC Loop Resistance |
151 Ohm/ Km (at 20"C) |
|
17 |
lnsulation Resistance |
2000 M Ohm/ Km (Minimum) |
|
18 |
Dielectric Strength Test |
1000 V AC (Minimum) |
|
19 |
Weight of Zinc Cover for each steel strand |
Minimum 25 gm/ Kg
|
|
20 |
Weight of Tin Covered for each copper strands |
8.75-24.8 gm/kg |
|
21 |
No of Twist/m |
14-16 Nos(Average) |
|
22 |
Abrasion Test |
The cable can withstand the abrasion if an empty 03 ton vehicle runs over the cable for 08-10 times on natural ground |
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23 |
Environmental Standard |
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a.. Operating Temparature |
-5 Deg to +55 Deg C |
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b..Storage Temparature |
-5 Deg to +55 Deg C |
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c.. Humidity Permissible Condition for Operation |
Maximum 95% |
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