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.
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.
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 |
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 |
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 |
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 |
Part Number | Description | Conductor Diameter ( |
Pair Config. |
Min. Sheath Thickness ( |
Max. Overall Diameter ( |
212-20013010 |
0.4mm 10 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable |
0.4 |
1 x 10P |
1.6 |
14.0 |
212-20013020 |
0.4mm 20 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable |
0.4 |
2 x 10P |
1.6 |
15.5 |
212-20013030 |
0.4mm 30 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable |
0.4 |
3 x 10P |
1.8 |
18.0 |
212-20013050 |
0.4mm 50 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable |
0.4 |
5 x 10P |
2.2 |
20.0 |
212-20013100 |
0.4mm 100 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable |
0.4 |
10 x 10P |
2.8 |
25.0 |
212-20013150 |
0.4mm 150 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable |
0.4 |
3 x 50P |
2.8 |
28.0 |
212-20013200 |
0.4mm 200 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable |
0.4 |
4 x 50P |
2.8 |
31.0 |
212-20013250 |
0.4mm 250 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable |
0.4 |
5 x 50P |
2.8 |
33.5 |
212-20013300 |
0.4mm 300 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable |
0.4 |
6 x 50P |
2.8 |
36.0 |
212-20013400 |
0.4mm 400 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable |
0.4 |
8 x 50P |
2.8 |
40.0 |
212-20013600 | 0.4mm 600 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable | 0.4 | 6 x 100P | 2.8 | 48.0 |
212-20023010 |
0.5mm 10 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable |
0.5 |
1 x 10P |
1.6 |
15.0 |
212-20023020 | 0.5mm 20 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable | 0.5 | 2 x 10P | 1.6 | 16.5 |
212-20023030 | 0.5mm 30 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable | 0.5 | 3 x 10P | 1.6 | 19.5 |
212-20023050 | 0.5mm 50 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable | 0.5 | 5 x 10P | 2.2 | 22.0 |
212-20023100 | 0.5mm 100 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable | 0.5 | 10 x 10P | 2.8 | 28.0 |
212-20023150 | 0.5mm 150 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable | 0.5 | 3 x 50P | 2.8 | 32.0 |
212-20023200 | 0.5mm 200 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable | 0.5 | 4 x 50P | 2.8 | 37.0 |
212-20023250 | 0.5mm 250 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable | 0.5 | 5 x 50P | 2.8 | 40.0 |
212-20023300 | 0.5mm 300 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable | 0.5 | 6 x 50P | 2.8 | 43.0 |
212-20023400 | 0.5mm 400 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable | 0.5 | 8 x 50P | 2.8 | 49.0 |
212-20023600 | 0.5mm 600 Pair BFC External Jelly Filled/ Steel Tape Armoured Buried Cable | 0.5 | 6 x 100P | 2.8 | 58.0 |