| Instrumentation Cables | |||||||||||||||
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Instrumentation Cables
Type 2 cables (Armoured)
| Number of pairs | Nominal diameter of conductor mm | Insulation radial thickness mm | Bedding radial thickness mm | Diameter of armour wire mm | Sheath radial thickness (Nom) mm | Overall diameter (Nom) mm | Cable weight (Nom) Kg/Km |
| 2 | 0.80 | 0.30 | 0.80 | 0.90 | 1.30 | 9.50 | 200 |
| 5 | 0.80 | 0.30 | 1.00 | 0.90 | 1.40 | 13.10 | 290 |
| 10 | 0.80 | 0.30 | 1.10 | 1.25 | 1.50 | 16.40 | 540 |
| 20 | 0.80 | 0.30 | 1.20 | 1.25 | 1.60 | 20.10 | 770 |
| 40 | 0.80 | 0.30 | 1.40 | 1.60 | 1.80 | 29.70 | 1430 |
| 60 | 0.80 | 0.30 | 1.60 | 1.60 | 2.00 | 33.10 | 1900 |
| 100 | 0.80 | 0.30 | 1.90 | 2.00 | 2.20 | 41.00 | 3010 |
| 200 | 0.80 | 0.30 | 2.20 | 2.20 | 2.50 | 56.00 | 5660 |
The dimensions given above are for cables with collective screens.
Table 1 Identification of pairs
Two-pair cables are cabled in quad formation and colour coded as follows:
White, red, blue & orange.
| Pair Number | Pair Colour | Pair Number | Pair Colour |
| 1 | White/Blue | 11 | Black/Blue |
| 2 | White/Orange | 12 | Black/Orange |
| 3 | White/Green | 13 | Black/Green |
| 4 | White/Brown | 14 | Black/Brown |
| 5 | White/Grey | 15 | Black/Grey |
| 6 | Red/Blue | 16 | Yellow/Blue |
| 7 | Red/Orange | 17 | Yellow/Orange |
| 8 | Red/Green | 18 | Yellow/Green |
| 9 | Red/Brown | 19 | Yellow/Brown |
| 10 | Red/Grey | 20 | Yellow/Grey |
* Denotes the nominated pair designed for use at carrier frequencies in the range 12 – 108 kHz.