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Indoor Telephone Cable

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Indoor Telephone Cable

Category 3/Telephone Cabling Solutions

Indoor Telephone Cable (As Per Technical Spec. YD/T722-94)

PE Insulation, PVC Sheath, Horizontal Double-Cores Copper-Clad Steel Drop Wire

...

 

Specification

DC Resistance at

+20°C Ω/km

Insulation Resistance MΩ km (DC100-500V)

Capacitance nF/km

Imbalance of Conductor Resistance %

 

Dielectric Strength

HBGTYV2 x 1/1.0-20

≤107

≥10000

43 ± 2

≥4.5

 

 

 

No punctured under 1500V/60sec

HBGTYV2 x 1/1.0-30

≤72

≥10000

43 ± 2

≥4.5

HBGTYV2 x 1/1.0-40

≤54

≥10000

43 ± 2

≥4.5

HBGTYV2 x 1/1.2-20

≤63

≥10000

46 ± 2

≥4.5

HBGTYV2 x 1/1.2-30

≤51

≥10000

46 ± 2

≥4.5

HBGTYV2 x 1/1.2-40

≤38

≥10000

46 ± 2

≥4.5


Indoors Telephone Cable (As Per Technical Spec. YD/T840-1996)

...

Serial No.

Item

Unit

Specified Requirement

 

1

 

DC Resistance of Single Conductor at +20°C

 

Ω/km

Nominal Dia.(mm)

0.5

0.6

0.8

Max. Value

95.0

65.0

36.0

 

2

 

Imbalance of DC Resistance at +20°C

 

%

Nominal Dia.(mm)

0.5

0.6

0.8

Max. Value

5

5

6

3

Insulation Resistance at +20°C

MΩ km

FRPE PE ≥5000

PVC ≥200

4

Insulation Dielectric Strength

-

No Punctured under AC 1500/1 min or 2250DC/1 min

5

Conductors

-

No breakage, No blending

0