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Telephone & Switchboard Cables

IS: 694: 2010 & BS 6004, BS EN 50525-2-31
Cables used for Indoor Telephones, Telephone Exchanges, Industrial Plant Communication System, EPBAX Systems, Closed Circuit Security Systems, In-House Telephone wiring & various other equipments involving telephones.
The conductor is made of 99.97% pure solid electrolytic grade copper confirming to IS1 830 : 2013 of 0.4, 0.5, 0.6, 0.7 dia.
A synthetic nylon rip cord is provided in order to safely peel off the jacket without damaging the cores.
Premium quality grade polyethylene used for insulation with several online testing equipment’s
The laid up pairs are jacketed with special Flame Retardant (FR)compound to resist fire.

SUITABLE FOR OUTDOOR ABOVE GROUND APPLICATION I HIGH SPEED TRANSMISSION OF VOICE

Conductor Resistance
: 92.20 ohm/km max at 20°C
Mutual Capacitance
: 50 nF/km max
Insulation Resistance in Air
: 10000 M-ohm/km min
Capacitance Unbalance – pair to pair
: 230 pF / 100m max
Capacitance Unbalance – pair to ground
: 330 pF / 100m max
Resistance Unbalance
: 2.5% max
Conductor (solid annealed bare copper)
0.4 mm diameter (nom.) & 0.5 mm diameter (nom)
Insulation Material (0.4 & 0.5 mm dia)
High density polyethylene (HDPE)
Insulation Thickness (Average) 0.4 mm dia, 0.5 mm dia
0.17 mm, 0.20 mm
Diameter of insulated Conductor 0.4 mm dia, 0.5 mm dia
0.74 mm, 0.92 mm
Ripcord
Nylon
Colour Combination
For 0.4 mm dia & 0.5 mm dia
1 Pair
--
--
--
--
--
Gray
2 Pair
--
--
--
--
Gray
3 Pair
--
--
--
Gray
4 Pair
--
--
Gray
5 Pair
--
Gray
6 Pair
Gray
7 Pair
Gray
8 Pair
Gray
9 Pair
Gray
10 Pair
Gray