Telephone Cable CW 1...
Telephone Cable CW 1308B Internal/External
Norden Internal/External Multi-pair Telephone cables are manufactured in accordance with BT type CW 1308B. These cables are used for connecting telephone systems and data exchange systems with a plain annealed copper conductor with PVC insulation .These are twisted to form a pair and over sheathed with black UV resistant LSZH (Low smoke zero halogen) making them an cost effective general signal cable for fixed installation.
Overview Specifications Ordering Information
Overview
Norden Internal/External Multi-pair Telephone cables are manufactured in accordance with BT type CW 1308B. These cables are used for connecting telephone systems and data exchange systems with a plain annealed copper conductor with PVC insulation .These are twisted to form a pair and over sheathed with black UV resistant LSZH (Low smoke zero halogen) making them an cost effective general signal cable for fixed installation.
Specifications
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 |
|
Separator |
Polyester Tape Longitudinal Wrapped |
|
Screen |
Aluminium/Polyethylene tape |
|
Rip Cord |
Nylon |
|
Earth Wire |
PVC Insulated Bare Copper |
|
Outer Jacket |
LSZH |
|
Jacket Colour |
Black |
PHYSICAL CHARACTERISTICS
| Characteristic | Value |
|
Conductor Size |
24 AWG, 0.5 mm |
|
Nom. Insulation Thickness |
0.15 mm |
|
Nom. Insulated Conductor Diameter |
0.95±0.05 mm |
|
Earth Wire Diameter |
1.38 mm |
|
Min. Bending Radius |
8 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 |
|
Max. Conductor DC Resistant @ 20 °C |
Ω/km |
97.8 |
|
Max. Capacitance Unbalance @ 800 Hz (Pair to Pair) |
pF/500m |
500 |
|
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 |
|
|
