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| Telphone Cables |
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| Drop Wire |
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 Application： |
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| Designed for extention to subscribers. |
| Construction： |
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Conductor
Hard drawn copper wire at diameters of 0.8, 0.9 and 1.0mm (ASTM B 3)
Insulation
Two hard drawn copper wires parallel to each other are coated with polyethylene in figure 8 configuration. |
Electrical Properties |
Conductor Diameter |
0.8 |
0.9 |
1.0 |
Conducctor Resistance (Ώ/km) |
at 20oC |
Maximum |
36.78 |
28.96 |
23.39 |
Insulation Resistance (Megaohm-km) |
10000 |
1000V DC |
Dielectric Strength |
Pair- Pair |
4000 |
AC Voltage 3 Minute |
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