INDOOR Cable
Application
The cable is used for trunk line of the building inside (telephone line or the line of central office equipments).
Switch Board Cable
Application
Be applicable to the connection between indoor telephones.
Construction
Switch Board Cable
1Conductor - Solid annealed copper wire
Insulation - Polyethylene
Insulation - Polyethylene
2Rip-cord - Nylon thread
3Sheath -PVC
Property
- It features by fire retardant.
- The cable is flexible and easy to install.
Specification
0.5mm & 0.65mm data sheet
| Conductor diameter (mm) | Pairs (P) | Cable core diameter nom. (mm) | Sheath thickness nom. (mm) | Overall diameter (approx.) (mm) |
|---|---|---|---|---|
| 0.5 | 2 | 2.2 | 1.0 | 4.5 |
| 3 | 3.1 | 1.0 | 5.4 | |
| 5 | 4.1 | 1.0 | 6.4 | |
| 7 | 5.2 | 1.0 | 7.5 | |
| 10 | 5.4 | 1.0 | 7.7 | |
| 15 | 6.9 | 1.0 | 9.2 | |
| 20 | 8.1 | 1.0 | 10.4 | |
| 25 | 8.8 | 1.0 | 11.1 | |
| 30 | 9.5 | 1.0 | 11.8 | |
| 40 | 11.6 | 1.0 | 13.6 | |
| 50 | 12.5 | 1.0 | 14.5 | |
| 75 | 15.1 | 1.1 | 17.3 | |
| 100 | 16.8 | 1.3 | 19.4 | |
| 150 | 21.2 | 1.5 | 24.2 | |
| 200 | 24.5 | 1.6 | 27.7 | |
| 300 | 30.0 | 1.8 | 33.6 | |
| 400 | 32.3 | 1.8 | 35.9 | |
| 600 | 42.3 | 2.0 | 46.3 | |
| 0.65 | 2 | 3.6 | 1.0 | 5.9 |
| 3 | 4.0 | 1.0 | 6.3 | |
| 5 | 5.3 | 1.0 | 7.6 | |
| 7 | 6.2 | 1.0 | 8.5 | |
| 10 | 7.2 | 1.0 | 9.5 | |
| 15 | 8.7 | 1.0 | 11.0 | |
| 20 | 10.2 | 1.0 | 12.2 | |
| 25 | 11.3 | 1.0 | 13.3 | |
| 30 | 12.3 | 1.0 | 14.3 | |
| 40 | 14.2 | 1.0 | 16.2 | |
| 50 | 15.9 | 1.2 | 18.3 | |
| 75 | 19.2 | 1.3 | 21.8 | |
| 100 | 22.5 | 1.5 | 25.5 | |
| 150 | 27.1 | 1.7 | 30.5 | |
| 200 | 31.4 | 1.8 | 35.0 |
Electrical properties
| Conductor resistance | ||
|---|---|---|
| Conductor diameter (mm) | Nominal (Ω/km) | Maximum (Ω/km) |
| 0.5 | 88.7 | 93.5 |
| 0.65 | 52.5 | 56.5 |
| Insulation resistance：min. 50MΩ-km | ||
| Dielectric strength：350V/1min. (R.M.S), the cable shall be normal. | ||
| Mutual capacitance：max.150nF/km. | ||