Cellular PE Insulated & PE Sheathed Jelly Filled Cables to CW 1128 & CW 1128/1179

Applications

The cables are designed for use in access or trunk networks, from telephone exchange to subscriber area. The cables are suitable for installation in ducts, direct burial in the ground and also for aerial installation with integral suspension strand. Jelly filled construction is for subscriber's cables installed underground or along the edge of pavement. An armoured option is offered for direct burial installations. A figure-8 self support option is offered for aerial installation.

Standards

  • CW 1128 (Unscreened jelly filled cables)
  • CW 1128/1179 (Screened jelly filled cables)
  • CW 1128/1252 (Self supporting jelly filled cables)
  • CW 1128/1198 (Steel wire armoured jelly filled cables)
  • CW 1128/1179/1198 (Steel wire armoured screened jelly filled cables)

Construction

Telephone Cable - CW 1128 , CW 1128/1179 CW1128 , CW1128/1179 - Telephone Cables
Conductors Solid annealed bare copper 0.4/0.5/0.6/0.63/0.9 mm as per class 1 of BS 6360/IEC 60228.
Insulation Cellular polyethylene as per BS 6234/BS EN 50290-2-23/IEC 60708.
Twisted Pairs Insulated conductors are twisted into pairs with varying lay length to minimize crosstalk.
Cabling Element Twisted Pairs.
Cable Core Assembly Cables are composed of 10-pair units. Any extra pairs form a separate unit. Units are identified by colour coded binders. Standard construction is per CW 1128 given in Cable Make Up Chart below.
Core Wrapping One or more non-hygroscopic polyester tapes are helically or longitudinally laid with an overlap. These tapes furnish thermal, mechanical as well as high dielectric protection between shielding and individual conductors.
Moisture Barrier (optional) Laminated sheath made of an aluminium tape (0.15mm) coated with PE-copolymer on one or both sides is applied longitudinally with overlap over the cable core to provide 100% electrical shielding coverage and ensures a barrier against water vapor.
Inner Bedding (for armoured cables) Black polyethylene compound.
Armour (for armoured cables) Galvanized steel wire armour is applied over an inner polyethylene sheath.
Filling The cable core interstices are filled with petroleum jelly to avoid longitudinal water penetration within the cable.The water resistant filling compound is applied to the air space between non-hygroscopic tape and shield, shield and sheath within the cable core.
Sheath Black low density polyethylene as per BS 6234/IEC 60708/ASTM D 1248 which is compounded to withstand exposure to sunlight, temperature variations, ground chemicals and other environmental contaminants.
Ripcord(optional) Ripcord may be provided for slitting the sheath longitudinally to facilitate its removal.
Continuity Wire (optional) One tinned copper drain wire may be longitudinally laid to ensure electrical continuity of the screen.

Optional Construction

Armoured Cable: Steel wire armour or corrugated steel tape armour is applied over an optional inner olyethylene sheath. For steel tape version, the 0.15mm thick steel tape is coated with a copolymer and applied with an overlap. An outer polyethylene sheath is applied over the armour.

Electrical properties

Nominal Conductor Diameter mm 0.4 0.5 0.6 0.63 0.9
Conductor Gauge Size AWG 26 24 - 22 19
Conductor Size mm2 0.126 0.196 0.283 0.312 0.636
Maximum Average Conductor Resistance @20°C Ω/km 143 91 63 58 28
Minimum Insulation Resistance @500V DC MΩ.km 1500 1500 1500 1500 1500
Maximum Average Mutual Capacitance @800Hz* nF/km 56 56 42 56 59
Maximum Individual Mutual Capacitance @800Hz
(for 99% cases)
nF/km 64 64 46 64 65
Maximum Individual Capacitance Unbalance @800Hz
pair-to-pair
pF/500m 275 275 275 275 275
Maximum Conductor Loop Resistance @20°C Ω/km 300 192 130 114 60
Impedance @1KHz Ω 994 796 665 660 445
Impedance @100KHz Ω 147 134 127 125 122
Impedance @512KHz Ω 120 118 117.5 117 116
Impedance @1MHz Ω 117 115 114.5 114 113
Maximum Average Attenuation @0.8KHz dB/km 1.64 1.30 1.1 1.04 0.74
Maximum Average Attenuation @1KHz dB/km 1.68 1.35 1.14 1.08 0.76
Maximum Average Attenuation @3KHz dB/km 3.18 2.52 2.3 2.01 1.42
Maximum Average Attenuation @150KHz dB/km 11.4 8.3 7.2 6.2 4.4
Maximum Average Attenuation @772KHz dB/km 24.3 19.4 17.4 15.4 10.8
Maximum Average Attenuation @1000KHz dB/km 27.1 21.4 18.5 17.5 12.8
Dielectric Strength Conductor to Conductor (3secs) V DC 500 500 500 500 500
Nominal Insulation Thickness mm 0.175 0.20 0.375 0.26 0.30
Nominal Insulated Conductor Diameter mm 0.75 0.90 1.35 1.15 1.50

Remarks: For screened cables of 20 pairs or less the maximum average mutual capacitance values shall not apply and the maximum for 99% shall be increased by 3nF.

 

Telephone Cable - CW 1128 , CW 1128/1179 CW1128 , CW1128/1179 - Telephone Cables

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 : 10 x Overall Diameter (unarmoured cables) ; 15 x Overall Diameter (armoured cables)

Colour code

Standard colour code is per CW 1128 given in Colour Code Chart.

Cabling Element No. a-wire b-wire
1 WHITE BLUE
2
3
4
5
6
WHITE ORANGE
WHITE GREEN
WHITE BROWN
WHITE GREY
RED BLUE
7 RED ORANGE
8 RED GREEN
9 RED BROWN
10 RED GREY

 

Unit Number Binder Colour
1 BLUE
2 ORANGE
3 GREEN
4 BROWN
5 GREY
6 WHITE
7 RED
8 BLACK
9 YELLOW
10 VIOLET

 

Cable Size No. and Pair Size of Units in Centre and 1st Layer
Centre 1st Layer
2 pairs 1 X 2
5 pairs 1 X 5
10 pairs 1 X 10
20 pairs 4 X 5
  2 X 10
50 pairs 5 X 10
  1 X 10 4 X 10
100 pairs 2 X 10 8 X 10
  3 X 10 7 X 10
4 X 5 8 X 10

Note: The two pair cable is manufactured as a quad, coloured Orange, Green, White, and Black in order of rotation.

Dimensions and weight

Cellular PE Insulated and LAP Sheathed Jelly Filled Cable to CW 1128 & CW 1128/1179

Cable Code Number of
Pairs
Minimum Sheath
Thickness
mm
Maximum Overall
Diameter
mm
(Unscreened)
Nominal Weight
kg/km
(Unscreened)
Maximum Overall
Diameter
mm
(Screened)
Nominal Weight
kg/km
(Screened)
0.4mm Conductor, 0.75mm Insulated Wire
TP1128-02YF(L)2Y-5P04 5 1.1 7.5 50 9.0 60
TP1128-02YF(L)2Y-10P04 10 1.1 8.5 75 10.0 85
TP1128-02YF(L)2Y-20P04 20 1.1 10.0 120 11.5 130
TP1128-02YF(L)2Y-50P04 50 1.2 14.0 245 15.5 260
TP1128-02YF(L)2Y-100P04 100 1.3 18.5 440 20.0 470
0.5mm Conductor, 0.9mm Insulated Wire
TP1128-02YF(L)2Y-2P05 2 1.1 7.5 52 9.0 62
TP1128-02YF(L)2Y-5P05 5 1.1 8.0 73 9.5 83
TP1128-02YF(L)2Y-10P05 10 1.1 9.5 120 11.0 130
TP1128-02YF(L)2Y-20P05 20 1.2 12.0 210 13.5 220
TP1128-02YF(L)2Y-50P05 50 1.3 16.5 460 18.0 480
TP1128-02YF(L)2Y-100P05 100 1.4 22.0 880 23.5 910
0.6mm Conductor, 1.35mm Insulated Wire
TP1128-02YF(L)2Y-2P06 2 1.1 8.5 72 10.0 82
TP1128-02YF(L)2Y-5P06 5 1.2 11.0 87 12.5 97
TP1128-02YF(L)2Y-10P06 10 1.2 13.0 145 14.5 155
TP1128-02YF(L)2Y-20P06 20 1.3 16.0 240 17.5 250
TP1128-02YF(L)2Y-50P06 50 1.4 24.0 520 25.5 540
TP1128-02YF(L)2Y-100P06 100 1.6 32.0 960 33.5 990
0.63mm Conductor, 1.15mm Insulated Wire
TP1128-02YF(L)2Y-2P063 2 1.1 8.0 75 9.5 85
TP1128-02YF(L)2Y-5P063 5 1.1 9.5 90 11.0 100
TP1128-02YF(L)2Y-10P063 10 1.2 11.5 150 13.0 160
TP1128-02YF(L)2Y-20P063 20 1.2 14.0 250 15.5 260
TP1128-02YF(L)2Y-50P063 50 1.4 20.5 530 22.0 550
TP1128-02YF(L)2Y-100P063 100 1.5 27.5 900 29.0 1000
0.9mm Conductor, 1.5mm Insulated Wire
TP1128-02YF(L)2Y-2P09 2 1.1 9.0 120 10.5 130
TP1128-02YF(L)2Y-5P09 5 1.2 11.5 140 13.0 150
TP1128-02YF(L)2Y-10P09 10 1.2 14.0 240 15.5 250
TP1128-02YF(L)2Y-20P09 20 1.3 18.0 440 19.5 450
TP1128-02YF(L)2Y-50P09 50 1.5 26.5 980 28.0 1000
TP1128-02YF(L)2Y-100P09 100 1.7 36.0 1970 37.5 2000

*The above part number will be changed for unscreened cables by deleting the (L).

Cellular PE Insulated, PE Inner Sheathed, Steel Wire Armoured and PE Outer Sheathed Jelly Filled Cable to CW 1128/1198

Cable Code Number of
Pairs
Minimum Bedding
Thickness
mm
Steel Wire
Diameter
mm
Minimum Sheath
Thickness
mm
Maximum Overall
Diameter
mm
Nominal
Weight
kg/km
0.4mm Conductor, 0.75mm Insulated Wire
TP1128-02YF2Y(SWA)2Y-5P04 5 1.1 0.9 0.9 12.7 239
TP1128-02YF2Y(SWA)2Y-10P04 10 1.1 0.9 0.9 13.7 275
TP1128-02YF2Y(SWA)2Y-20P04 20 1.1 0.9 0.9 15.2 418
TP1128-02YF2Y(SWA)2Y-50P04 50 1.2 1.25 0.9 19.9 600
TP1128-02YF2Y(SWA)2Y-100P04 100 1.3 2.0 1.0 25.3 1310
0.5mm Conductor, 0.9mm Insulated Wire
TP1128-02YF2Y(SWA)2Y-2P05 2 1.1 0.9 0.9 12.7 238
TP1128-02YF2Y(SWA)2Y-5P05 5 1.1 0.9 0.9 13.2 269
TP1128-02YF2Y(SWA)2Y-10P05 10 1.1 0.9 0.9 14.7 345
TP1128-02YF2Y(SWA)2Y-20P05 20 1.2 0.9 0.9 17.2 488
TP1128-02YF2Y(SWA)2Y-50P05 50 1.3 2.0 1.0 23.3 1100
TP1128-02YF2Y(SWA)2Y-100P05 100 1.4 2.0 1.1 29.0 1710
0.6mm Conductor, 1.35mm Insulated Wire
TP1128-02YF2Y(SWA)2Y-2P06 2 1.1 0.9 0.9 13.7 308
TP1128-02YF2Y(SWA)2Y-5P06 5 1.2 0.9 0.9 16.2 349
TP1128-02YF2Y(SWA)2Y-10P6 10 1.2 1.25 0.9 18.9 405
TP1128-02YF2Y(SWA)2Y-20P06 20 1.3 2.0 1.0 22.8 578
TP1128-02YF2Y(SWA)2Y-50P06 50 1.4 2.0 1.1 31.0 1170
TP1128-02YF2Y(SWA)2Y-100P06 100 1.6 2.0 1.3 40.2 2310
0.63mm Conductor, 1.15mm Insulated Wire
TP1128-02YF2Y(SWA)2Y-2P063 2 1.1 0.9 0.9 13.2 318
TP1128-02YF2Y(SWA)2Y-5P063 5 1.1 0.9 0.9 14.7 359
TP1128-02YF2Y(SWA)2Y-10P063 10 1.2 0.9 0.9 16.7 415
TP1128-02YF2Y(SWA)2Y-20P063 20 1.2 1.25 0.9 19.9 588
TP1128-02YF2Y(SWA)2Y-50P063 50 1.4 2.0 1.1 27.5 1270
TP1128-02YF2Y(SWA)2Y-100P063 100 1.5 2.0 1.2 35.5 2410
0.9mm Conductor, 1.5mm Insulated Wire
TP1128-02YF2Y(SWA)2Y-2P09 2 1.1 0.9 0.9 14.2 308
TP1128-02YF2Y(SWA)2Y-5P09 5 1.2 0.9 0.9 16.7 470
TP1128-02YF2Y(SWA)2Y-10P09 10 1.2 1.25 0.9 19.9 721
TP1128-02YF2Y(SWA)2Y-20P09 20 1.3 2.0 1.0 24.8 1200
TP1128-02YF2Y(SWA)2Y-30P09 30 1.4 2.0 1.1 27.8 1520
TP1128-02YF2Y(SWA)2Y-50P09 50 1.5 2.0 1.2 34.5 2350
TP1128-02YF2Y(SWA)2Y-100P09 100 1.7 2.0 1.4 44.4 3660

Cellular PE Insulated, PE inner Sheathed, Steel Wire Armoured and LAP Sheathed Jelly Filled Cable to CW 1128/1179/1198

Cable Code Number of
Pairs
Minimum Bedding
Thickness
mm
Steel Wire
Diameter
mm
Minimum Sheath
Thickness
mm
Maximum Overall
Diameter
mm
Nominal Weight
kg/km
0.4mm Conductor, 0.75mm Insulated Wire
TP1128-02YF(L)2Y(SWA)2Y-5P04 5 1.1 0.9 0.9 14.2 232
TP1128-02YF(L)2Y(SWA)2Y-10P04 10 1.1 0.9 0.9 15.2 281
TP1128-02YF(L)2Y(SWA)2Y-20P04 20 1.1 0.9 0.9 16.7 428
TP1128-02YF(L)2Y(SWA)2Y-50P04 50 1.2 2.0 1.0 22.3 575
TP1128-02YF(L)2Y(SWA)2Y-100P04 100 1.3 2.0 1.0 26.8 1340
0.5mm Conductor, 0.9mm Insulated Wire
TP1128-02YF(L)2Y(SWA)2Y-2P05 2 1.1 0.9 0.9 14.2 248
TP1128-02YF(L)2Y(SWA)2Y-5P05 5 1.1 0.9 0.9 14.7 282
TP1128-02YF(L)2Y(SWA)2Y-10P05 10 1.1 0.9 0.9 16.2 356
TP1128-02YF(L)2Y(SWA)2Y-20P05 20 1.2 1.25 0.9 19.4 498
TP1128-02YF(L)2Y(SWA)2Y-50P05 50 1.3 2.0 1.0 24.8 1115
TP1128-02YF(L)2Y(SWA)2Y-100P05 100 1.4 2.1 1.1 30.5 1740
0.6mm Conductor, 1.35mm Insulated Wire
TP1128-02YF(L)2Y(SWA)2Y-2P06 2 1.1 0.9 0.9 15.2 288
TP1128-02YF(L)2Y(SWA)2Y-5P06 5 1.2 1.25 0.9 18.4 342
TP1128-02YF(L)2Y(SWA)2Y-10P06 10 1.2 1.25 0.9 20.4 416
TP1128-02YF(L)2Y(SWA)2Y-20P06 20 1.3 2.0 1.0 24.3 498
TP1128-02YF(L)2Y(SWA)2Y-50P06 50 1.4 2.0 1.2 33.5 1265
TP1128-02YF(L)2Y(SWA)2Y-100P06 100 1.6 2.0 1.3 41.7 2400
0.63mm Conductor, 1.15mm Insulated Wire
TP1128-02YF(L)2Y(SWA)2Y-2P063 2 1.1 0.9 0.9 14.7 298
TP1128-02YF(L)2Y(SWA)2Y-5P063 5 1.1 0.9 0.9 16.2 352
TP1128-02YF(L)2Y(SWA)2Y-10P063 10 1.2 1.25 0.9 18.9 426
TP1128-02YF(L)2Y(SWA)2Y-20P063 20 1.2 2.0 1.0 22.3 598
TP1128-02YF(L)2Y(SWA)2Y-50P063 50 1.4 2.0 1.1 29.0 1285
TP1128-02YF(L)2Y(SWA)2Y-100P063 100 1.5 2.0 1.2 37.0 2450
0.9mm Conductor, 1.5mm Insulated Wire
TP1128-02YF(L)2Y(SWA)2Y-2P09 2 1.1 0.9 0.9 15.7 318
TP1128-02YF(L)2Y(SWA)2Y-5P09 5 1.2 1.25 0.9 18.9 484
TP1128-02YF(L)2Y(SWA)2Y-10P09 10 1.2 2.0 1.0 22.3 730
TP1128-02YF(L)2Y(SWA)2Y-20P09 20 1.3 2.0 1.0 26.3 1209
TP1128-02YF(L)2Y(SWA)2Y-30P09 30 1.4 2.0 1.1 29.3 1529
TP1128-02YF(L)2Y(SWA)2Y-50P09 50 1.5 2.0 1.2 36.0 2363
TP1128-02YF(L)2Y(SWA)2Y-100P09 100 1.7 2.0 1.4 45.9 3671
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