Internal Telephone Cable CW 1308

Internal Telephone Cable CW 1308

Norden Internal Multi-pair Telephone cables are manufactured in accordance with BT type CW 1308. These cables are used for connecting telephone systems and data exchange systems with a plain annealed copper conductor of 0.4mm, 0.5mm, 0.6mm &; 0.9mm diameter with PVC insulation. These are twisted to form a pair and over sheathed in white, cream, gray &; black PVC. A rip cord is laid under the sheath to facilitate its removal. An optional 1.38mm diameter earth copper wire is available on 50 pair cables and above.    

Norden Internal Multi-pair Telephone cables are manufactured in accordance with BT type CW 1308. These cables are used for connecting telephone systems and data exchange systems with a plain annealed copper conductor of 0.4mm, 0.5mm, 0.6mm &; 0.9mm diameter with PVC insulation. These are twisted to form a pair and over sheathed in white, cream, gray &; black PVC. A rip cord is laid under the sheath to facilitate its removal. An optional 1.38mm diameter earth copper wire is available on 50 pair cables and above.    

CABLE STANDARD

CW 1308 INTERNAL TELEPHONE CABLE

CABLE CONSTRUCTION

Conductor

Class 1 Solid annealed Bare Copper Conductors to BS 6360

Insulation

PVC (Polyvinyl Chloride)

Twisted Pair

Two single wires are twisted to form a Pair

No. of Twist/mtr

16 (Avg.)

Separator

Polyester Tape longitudinal wrapped

Rip Cord

Optional

Earth Wire

PVC insulated Bare Copper

Outer Jacket

PVC & LSZH (Optional)

Jacket Colour

Cream

PHYSICAL CHARACTERISTICS

Characteristic Value
0.4 mm 0.5 mm 0.63 mm 0.9 mm
Conductor Size

26 AWG

24 AWG

22 AWG

19 AWG

Nom. Insulation Thickness

0.15 mm

0.15 mm

0.25 mm

0.30 mm

Nom. Insulated Conductor Diameter

0.75±0.05 mm

0.85±0.05 mm

1.13 mm

1.50 mm

Earth Wire Diameter 1.38 mm

Min. Bending Radius

4 x D

Max. Tensile Load (Installation) No. of Pairs X 100 N
Operating Temperature -20°C to +75°C
Installation Temperature -20°C to +50°C

ELECTRICAL CHARACTERISTICS

Characteristic Unit Value
0.4 mm 0.5 mm 0.63 mm 0.9 mm
Max. Conductor DC Resistant @ 20 °C Ω/km

153

97.8

65

21

Max. Capacitance Unbalance @ 800 Hz (Pair to Pair) pF/500m

300

500

600

275

Min. Insulation Resistant at 500 VDC MΩ.km 50
Dielectric Strength between Pairs KV/min 1.0

INSULATION COLOUR CODE

Pair No. Wire - A Colour Wire - B Colour Pair No. Wire A - Colour Wire - B Colour

1

White/Blue

Blue/White

14

Black /Brown

Brown/Black

2

White/Orange

Orange/White

15

Black /Grey

Grey/Black

3

White/Green

Green/White

16

Yellow /Blue

Blue/ Yellow

4

White/Brown

Brown/White

17

Yellow /Orange

Orange/ Yellow

5

White/Grey

Grey/White

18

Yellow /Green

Green/ Yellow

6

Red/Blue

Blue/Red

19

Yellow /Brown

Brown/ Yellow

7

Red /Orange

Orange/Red

20

Yellow /Grey

Grey/ Yellow

8

Red /Green

Green/Red

21

Violet /Blue

Blue/ Violet

9

Red /Brown

Brown/Red

22

Violet /Orange

Orange/ Violet

10

Red /Grey

Grey/Red

23

Violet /Green

Green/ Violet

11

Black /Blue

Blue/Black

24

Violet /Brown

Brown/ Violet

12

Black /Orange

Orange/Black

25

Violet /Grey

Grey/ Violet

13

Black /Green

Green/Black

     
Part Number Description Conductor
Diameter
(mm)
Pair
Config.
Max. Overall
Diameter
(mm)

211-01011002X

0.4 mm 002 Pair Internal Telephone Cable CW 1308 PVC

0.4

1 x 2P

3.6 ± 0.4

211-01011003X

0.4 mm 003 Pair Internal Telephone Cable CW 1308 PVC

0.4

1 x 3P

4.1 ± 0.4

211-01011004X

0.4 mm 004 Pair Internal Telephone Cable CW 1308 PVC

0.4

1 x 4P

4.6 ± 0.4

211-01011010X

0.4 mm 010 Pair Internal Telephone Cable CW 1308 PVC

0.4

1 x 10P

6.5 ± 0.5

211-01011025X

0.4 mm 025 Pair Internal Telephone Cable CW 1308 PVC

0.4

1 x 25P

9.2 ± 1.0

211-01011050X

0.4 mm 050 Pair Internal Telephone Cable CW 1308 PVC

0.4

5 x 10P

12.7 ± 1.0

211-01011100X

0.4 mm 100 Pair Internal Telephone Cable CW 1308 PVC

0.4

10 x 10P

16.5 ± 1.0

211-01011150X

0.4 mm 150 Pair Internal Telephone Cable CW 1308 PVC

0.4

3 x 50P

19.5 ± 2.0

211-01011200X

0.4 mm 200 Pair Internal Telephone Cable CW 1308 PVC

0.4

4 x 50P

22.4 ± 2.0

         

211-01021002X

0.5 mm 002 Pair Internal Telephone Cable CW 1308 PVC

0.5

1 x 2P

4.2 ± 0.4

211-01021003X

0.5 mm 003 Pair Internal Telephone Cable CW 1308 PVC

0.5

1 x 3P

4.6 ± 0.4

211-01021004X

0.5 mm 004 Pair Internal Telephone Cable CW 1308 PVC

0.5

1 x 4P

5.0 ± 0.4

211-01021010X

0.5 mm 010 Pair Internal Telephone Cable CW 1308 PVC

0.5

1 x 10P

7.3 ± 1.0

211-01021025X

0.5 mm 025 Pair Internal Telephone Cable CW 1308 PVC

0.5

1 x 25P

11.2 ± 1.0

211-01021050X

0.5mm 050 Pair Internal Telephone Cable CW 1308 PVC

0.5

5 x 10P

14.2 ± 1.0

211-01021100X

0.5 mm 100 Pair Internal Telephone Cable CW 1308 PVC

0.5

10 x 10P

21.0 ± 2.0

211-01021150X

0.5 mm 150 Pair Internal Telephone Cable CW 1308 PVC

0.5

3 x 50P

25.3 ± 2.0

X: CR (Cream), WH (White), GY (Gray), BK (Black) * R - Ripcord