Instrumentation Cables 
BS5308 Cable ESI Cable BS 6231 Cable DEF Standard Cable Italian standard AS/NZS 2373

Instrumentation Cables

Type2 Armoured Multipair Light Current Control cables

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 0.90 0.30 0.80 0.90 1.30 10.10 250
5 0.90 0.30 1.00 0.90 1.40 14.1 350
10 0.90 0.30 1.10 1.25 1.50 18.6 650
15 0.90 0.30 1.20 1.25 1.60 21.00 800
20 0.90 0.30 1.20 1.25 1.60 22.7 1000
25 0.90 0.30 1.30 1.60 1.70 25.4 1250
30 0.90 0.30 1.40 1.60 1.70 26.7 1400
40 0.90 0.30 1.40 1.60 1.80 29.3 1700
50 0.90 0.30 1.60 1.60 1.90 32.6 2000
75 0.90 0.30 1.70 2.00 2.00 38.4 2900
100 0.90 0.30 1.90 2.00 2.00 44.1 3650

Table 1 Identification of pairs

Two-pair cables are cabled in quad formation and colour coded as follows:

Blue, Orange, Green and Brown.

Pair Number 20Pair Colour Pair Number Pair Colour Pair Number Pair Colour
1 Black/Blue 21 Black/White 41 Orange/Yellow
2 Black/Orange 22 Black/Red 42 Orange/Violet
3 Black/Green 23 Black/Yellow 43 Yellow/Brown
4 Black/Brown 24 Black/Violet 44 Yellow/Violet
5 Black/Grey 25 White/Red 45 Brown/Violet
           
6 Blue/White 26 White/Yellow 46 Turquoise/Black
7 Blue/Orange 27 White/Violet 47 Turquoise/Blue
8 Blue/Green 28 Blue/Red 48 Turquoise/Red
9 Blue/Brown 29 Blue/Yellow 49 Turquoise/Orange
10 Blue/Grey 30 Blue/Violet 50 Turquoise/Yellow
           
11 Orange/White 31 Green/Red 51  
12 Orange/Green 32 Green/Yellow 52  
13 Orange/Brown 33 Green/Violet 53  
14 Orange/Grey 34 Red/Grey 54  
15 Green/White 35 Red/Orange 55  
           
16 Green/Brown 36 Red/Yellow 56  
17 Green/Grey 37 Red/Brown 57  
18 Brown/White 38 Red/Violet 58  
19 Brown/Grey 39 Grey/Yellow 59  
20 Grey/White 40 Grey/Violet 60