Instrumentation Cables
BS5308 Cable ESI Cable BS 6231 Cable DEF Standard Cable EN50288-7 LSZH Cables EN50288-7 PVC Cables NF M 87-202

Instrumentation Cables

Type 3 cables (Generation)

Number of pairs	Nominal diameter of conductor mm	Insulation radial thickness mm	Bedding radial thickness mm	Diameter of armour wire mm	Diameter of steel tape mm	Sheath radial thickness (Nom) mm	Overall diameter (Nom) mm	Cable weight (Nom) Kg/Km
2	0.80	0.30	1.50	0.90	-	1.90	12.10	300
5	0.80	0.30	1.50	0.90	-	2.00	15.30	450
10	0.80	0.30	1.50	1.25	-	2.20	18.60	730
20	0.80	0.30	1.50	-	0.50	2.40	21.80	930
40	0.80	0.30	2.00	-	0.50	2.80	31.70	1570
60	0.80	0.30	2.60	-	0.50	3.10	36.10	2120
100	0.80	0.30	2.60	-	0.50	3.10	42.20	2850
200	0.80	0.30	3.00	-	0.50	3.80	57.20	4860

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.