Telephone Cables 
 

CW1308 Unarmoured Indoor Telephone Cable

Reference Standard: CW1308
Application: This cable is used for communication and telephone systems where are installed indoor; Also it's designed to be terminated in Insulation Displacement Connectors (IDC).
Conductor Material: Solid annealed copper referred to BS6360
Insulation Material: PVC
Laying-up: Pairs; Triples; Units
Drain Wire: Solid annealed copper
Wrapping: Polyester Tape
Filler: Petrolatum Jelly filled
Sheath Material: PVC
Sheath Color: Black
Shape: Circular in cross-section
Voltage Rating: 300/500V
Temperature Rating: 0 to 70
Bending Radius: 8 x overall diameter

Electrical Performance:

Conductor Diameter (mm)

Insulation Resistance of per km at 20 o C Max. (Ohms)

Capacitance Unbalance of per km
Max. (pF)

0.40

153.0

200

0.50

97.8

500

1.38

12.4

N/A

CW1308 Unarmoured Indoor Telephone Cable (Pairs)

Number of Pairs

Conductor Diameter (mm)

Nominal Thickness of Insulation (mm)

Nominal Thickness of Sheath (mm)

Nominal Overall Diameter (mm)

Nominal Weight (kg/km)

2

1/0.4 0

0.15

0.4

3.9

.

3

1/0.40

0.15

0.5

5.3

.

4

1/0.40

0.15

0.5

5.8

.

6

1/0.40

0.15

0.6

6.8

.

10

1/0.40

0.15

0.6

8.3

.

12

1/0.40

0.15

0.7

8.9

.

20

1/0.40

0.15

0.7

10.4

.

25

1/0.40

0.15

0.8

11.1

.

2

1/0.50

0.15

0.65

5.0

.

3

1/0.50

0.15

0.65

5.8

28.0

4

1/0.50

0.15

0.6

6.8

35.5

6

1/0.50

0.15

0.6

8.3

43.0

10

1/0.50

0.15

0.7

9.1

64.0

12

1/0.50

0.15

0.7

9.8

.

20

1/0.50

0.15

0.8

10.7

123.0

25

1/0.50

0.15

0.8

11.4

150.0


CW1308 Unarmoured Indoor Telephone Cable (Triples)

Number of Triples

Conductor Diameter (mm)

Nominal Thickness of Insulation (mm)

Primary Thickness of Sheath (mm)

Secondary Thickness of Sheath (mm)

Nominal Overall Diameter (mm)

1

1/0.40

0.15

0.4

-

3.8

5

1/0.40

0.15

0.4

0.8

13.0

1

1/0.50

0.15

0.4

-

4.0

5

1/0.50

0.15

0.4

0.8

13.5


CW1308 Unarmoured Indoor Telephone Cable (Units)

Conductor Diameter (mm)

Nominal Thickness of Insulation (mm)

No. of Pairs

Size of Unit

Nominal Thickness of Sheath (mm)

Nominal Overall Diameter (mm)

1/0.40

0.15

8

1/2*16

0.6

7.2

1/0.40

0.15

16

16

0.7

9.8

1/0.40

0.15

32

16

0.8

12.0

1/0.40

0.15

64

16

1.1

16.0

1/0.40

0.15

30

30

0.8

11.8

1/0.40

0.15

120

30

1.6

24.8

1/0.40

0.15

150

30

1.7

26.0

1/0.50

0.15

8

1/2*16

0.6

7.6

1/0.50

0.15

16

16

0.7

10.2

1/0.50

0.15

32

16

0.8

12.4

1/0.50

0.15

64

16

1.1

16.5

1/0.50

0.15

128

16

1.6

25.4

1/0.50

0.15

256

16

2.0

35.2

1/0.50

0.15

10

1/2*20

0.6

8.6

1/0.50

0.15

20

20

0.7

12.0

1/0.50

0.15

40

20

0.9

15.0

1/0.50

0.15

50

20

1.0

17.0

1/0.50

0.15

80

20

1.2

22.5

1/0.50

0.15

100

20

1.5

27.0

1/0.50

0.15

160

20

1.7

30.3

1/0.50

0.15

320

20

2.2

39.5

1/0.50

0.15

30

30

0.8

12.2

1/0.50

0.15

120

30

1.6

25.1

1/0.50

0.15

150

30

1.7

26.0