For Power cables and Control cables upto 4 cores, the cores are identified by different colours as per IS : 1554:
Single core :Red, Black, Yellow or Blue
2 core :Red and Black
3 core :Red, Yellow and Blue
4 core :Red, Yellow, Blue and Black
5 core :Red, Yellow, Blue, Black and Grey.
Where the number of cores exceeds 5, two adjacent cores are blue for reference and yellow for direction in each layer. The remaining cores in each layer are grey. On specific request we can also provide core numbering. |