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BS 6883&BS7917 Offshore & Marine cables |  |
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Cores Identification
Insulation Colour Scheme
MV cables
Single core |
Natural colour of the compound |
Three core |
Coloured tape or thread (e.g.: red - yellow - blue) |
0.6/1 kV Power and Control Cables
According to BS 6883/BS 7917 |
Alternatives |
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1 core |
Red or Black |
White and numbered |
2 cores |
Red - Black |
White and numbered |
3 cores |
Red - Yellow - Blue |
White and numbered |
4 cores |
Red - Yellow - Blue - Black |
White and numbered |
Above 4 cores |
black numbers on white background |
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150/250 V Instrumentation Cables
Pair |
Black - White |
Triple |
Black - White - Red |
Quad |
Black - White - Red - Blue |
Pairs/Triples/Quads are numbered with numbers printed directly on the insulated conductors (1-1; 2-2; …) or buy numbered tape |
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Outer Sheath Standard Colours
MV power and control |
Red |
LV power and control |
Black |
Instrumentation and control |
Grey |
Other colours available on request |
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