External Telephone C...
External Telephone Cable Jelly Filled / Steel Tape Armoured
External Telephone Cables from NORDEN are primarily designed for the interconnection of telephone equipment. In addition, these cables may be used for interconnection of other communication and control equipment or low level signaling applications. The cables are suitable for Underground and Direct Buried Installation.
Overview Specifications Ordering Information
Overview
External Telephone Cables from NORDEN are primarily designed for the interconnection of telephone equipment. In addition, these cables may be used for interconnection of other communication and control equipment or low level signaling applications. The cables are suitable for Underground and Direct Buried Installation.Specifications
 |
CABLE CONSTRUCTION
|
Conductor |
Class 1 Solid annealed Bare Copper Conductors to BS 6360:1991/IEC 60228:2005 (Note - IEC 60228:2005 replaces BS 6360:1991) |
|
Insulation |
Solid HDPE (High Density Polyethylene) |
|
Twisted Pair |
Two single wires are twisted to form a Pair |
|
Separator |
Polyester Tape |
|
Core Filler |
Jelly filled with Petroleum Jelly |
|
Screening |
Plastic coated aluminum tape |
|
Inner Sheath |
PE (Polyethlene) |
|
Armouring |
Steel Tape Armour |
|
Outer Jacket |
PE (Polyethylene) |
|
Jacket Colour |
Black |
PHYSICAL CHARACTERISTICS
| Characteristic | Value | |
| 0.4 mm | 0.5 mm | |
| Conductor Size | 26 AWG | 24 AWG |
| Nom. Insulation Thickness |
0.21 mm |
0.24 mm |
| Nom. Insulated Conductor Diameter |
0.81 mm |
0.98 mm |
| Min. Bending Radius | 15 x D | |
|
Operating Temperature |
-20 °C to +70 °C |
|
ELECTRICAL CHARACTERISTICS
| Characteristic | Unit | Value | |
| 0.4 mm | 0.5 mm | ||
| Max. Conductor DC Resistant @ 20 °C | ?/km |
140 |
89.5 |
| Min. Insulation Resistant @ 500 VDC | M?.km |
?1500 |
?1500 |
| Max. Average Mutual Capacitance @ 800 Hz | nF/km |
55 |
55 |
| Max. Capacitance Unbalance @ 800 Hz (Pair to Pair) | pF/500m | 250 | 250 |
INSULATION COLOUR CODE
| Pair Colour Code | Unit Binder Colour Code | |||
| Pair No. | Wire - A Colour | Wire - B Colour | Unit No. | Binder Tape Colour |
|
1 |
White |
Blue |
1 |
Blue |
|
2 |
White |
Orange |
2 |
Orange |
|
3 |
White |
Green |
3 |
Green |
|
4 |
White |
Brown |
4 |
Brown |
|
5 |
White |
Grey |
5 |
Grey |
|
6 |
Red |
Blue |
6 |
White |
|
7 |
Red |
Orange |
7 |
Red |
|
8 |
Red |
Green |
8 |
Black |
|
9 |
Red |
Brown |
9 |
Yellow |
|
10 |
Red |
Grey |
10 |
Violet |
