Telephone Cables

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Telecommunication cables are highly required for multistoried building and commercial establishments by plants. There cables are manufactured confirming to ITD specification. S/WS–118D, S/WS–113 B, BS 3573.

Construction Parameter Cable Type 2 pair, 3 pair, 4 pair, 5 pair, 10 pair.
Conductor Diameter Solid Annealed Bare Copper, 24AWG (approx. 0.5 mm)
Insulation Material High Density Polyethylene
Insulation Thickness Avg. 0.2 mm
Rip Cord Nylon
PVC Jacket Flame Retardant PVC with Low Halogen Content.
Approx. Overall Diameter 3.50 4.20 mm 5.30 mm 6.00 mm 8.50mm mm
Electrical Parameter
Conductor Diameter 92.20 ohm / km at 20oC max.
Mutual Capacitance 50 nF / Km max.
Insulation Resistance in Air 10000M-ohm Km
Capacitance Unbalance– pair to pair 250 pF / 100m max.
Capacitance Unbalance – pair to ground 330pF / 100mmax.
Resistance Unbalance 5% max.

Telephone Cables

Cat. No. Size of Copper Conductor (Nom) No of pairs Thickness of Insulation in mm Dia Over Insulation Max. in mm Overall Diameter (Nom) Sheath Thickness Min. in mm Conductor Resistance at 20 C (Maximum)
T-01-P 0.40 1 0.20±0.05 0.90 3.0 mm 0.50 143.0 Ω/km
T-02-P 0.40 2 0.20±0.05 0.90 3.60 mm 0.50 143.0 Ω/km
T-03-P 0.40 3 0.20±0.05 0.90 4.40 mm 0.65 143.0 Ω/km
T-04-P 0.40 4 0.20±0.05 0.90 4.90 mm 0.65 143.0 Ω/km
T-05-P 0.40 5 0.20±0.05 0.90 5.30 mm 0.65 143.0 Ω/km
T-06-P 0.40 6 0.20±0.05 0.90 5.70 mm 0.65 143.0 Ω/km
T-07-P 0.40 7 0.20±0.05 0.90 6.30 mm 0.65 143.0 Ω/km
T-08-P 0.40 8 0.20±0.05 0.90 7.00 mm 0.75 143.0 Ω/km
T-09-P 0.40 10 0.20±0.05 0.90 9.30 mm 0.75 143.0 Ω/km
T-10-P 0.40 20 0.20±0.05 0.90 10.30 mm 0.75 143.0 Ω/km
T-11-P 0.40 25 0.20±0.05 0.90 14.50 mm 1.10 143.0 Ω/km
T-12-P 0.40 50 0.20±0.05 0.90 3.20 mm 0.50 143.0 Ω/km
T-13-P 0.50 1 0.20±0.03 1.00 3.90 mm 0.50 92.20 Ω/km
T-14-P 0.50 2 0.20±0.03 1.00 4.80 mm 0.65 92.20 Ω/km
T-15-P 0.50 3 0.20±0.03 1.00 5.30 mm 0.65 92.20 Ω/km
T-16-P 0.50 4 0.20±0.03 1.00 5.70 mm 0.65 92.20 Ω/km
T-17-P 0.50 5 0.20±0.03 1.00 6.10 mm 0.65 92.20 Ω/km
T-18-P 0.50 6 0.20±0.03 1.00 6.90 mm 0.65 92.20 Ω/km
T-19-P 0.50 8 0.20±0.03 1.00 7.70 mm 0.75 92.20Ω/km
T-20-P 0.50 10 0.20±0.03 1.00 10.20 mm 0.75 92.20 Ω/km
T-21-P 0.50 25 0.20±0.03 1.00 11.20 mm 0.75 92.20 Ω/km
T-22-P 0.50 50 0.20±0.03 1.00 15.80 mm 1.10 92.20 Ω/km

Note: Colour of paris as per TEC specification no -06/02 Technical data:

  • The cable shall be lapped with tape and having overlapped minimum 30%.
  • High voltage shall be passed at 2kv rms for 1 minute
  • Insulation ressistence in air 50 mohm per km and in wet will be 5m ohm km (min).
  • Capacitance unbalance shall not be exceed 230 p.f

Availability of Colour: Grey

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