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Telephone Cables |  |
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PVC Insulated Self Supporting Drop Wires to RUS (REA) PE-7
Application
The drop wires are designed for extending a distribution cable pair from a pole or cable terminal to a subscriber
premises. The cables are suitable for aerial installation.
Standards
RUS (REA) PE-7
Construction
Conductors
Solid annealed bare copper 0.64mm or 0.9mm as per ASTM B-3/class 1 of IEC 60228
Steel Bearer Wire
Galvanized steel wire, solid
Insulation
High density black PVC which can be made ultraviolet resistant by addition of carbon black
Electrical Properties
| Nominal Conductor Diameter | mm | 0.64 | 0.9 |
| Conductor Gauge Size | AWG | 22 | 19 |
| Conductor Size | mm2 | 0.332 | 0.636 |
| Maximum Conductor Resistance @20°C | Ω/km/ Ω/mile | 57.1/91.8 | 28/44.9 |
| Minimum Insulation Resistance @500V DC | MΩ.km / MΩ.mile | 400/249 | 400/249 |
| Maximum Breaking Strength | Kg | 155 | 155 |
| Dielectric Strength 1min | V RMS | 1500 | 1500 |
| Nominal Insulation Thickness | mm/inch | 1.0/0.039 | 1.05/0.041 |
| Nominal Insulated Conductor Diameter | mm/inch | 2.65/0.104 | 3.05/0.12 |
| Nominal Diameter of Steel Wire Core | mm/inch | 3.2/0.126 | 3.35/0.132 |
Mechanical and Thermal Properties
Temperature range during operation (fixed state): -30°C – +70°C
Temperature range during installation (mobile state): -20°C – +50°C
Minimum bending radius: 7.5 x Overall Diameter
Dimensions And Weight
| Cable Code | Number and Diameter of Wires in Conductor |
Diameter of Supporting Wire | Nominal Insulation Thickness | Nominal Insulation Diameter | Nominal Overall Dimensions |
Nominal Weight |
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| Conductor | Supporting Wire |
A | B | |||||
| No./mm | mm/inch | mm/inch | mm/inch | mm/inch | mm/inch | mm/inch | kg/km / lbs/kft | |
| TP7-Y-1P064-SS | 2×0.64 | 1.2/0.047 | 1.00/0.039 | 2.65/0.104 | 3.20/0.125 | 6.1/0.24 | 6.1/0.24 | 43/28.89 |
| TP7-Y-1P09-SS | 2×0.90 | 1.2/0.047 | 1.05/0.041 | 3.05/0.120 | 3.35/0.132 | 8.1/0.32 | 6.8/0.27 | 52/34.94 |