Number of Cores

Colours of Cores

1

Any colour

2

Blue-Black

3

Green/Yellow-Blue-Brown
Blue-Black-Brown

4

Green/Yellow-Blue-Black Brown
Blue-Black-Brown-Black

5

Green/Yellow-Blue-Black-Brown-Black
Black-Brown-Black-Black-Blue

6

All cores Black and number printed
Green/Yellow and the other cores different colours

Colour of outher sheath

Y Type=0.6/1kV Cables outer sheath colour is black
Y Type>3.6/6kV Cables outer sheath colour is red

Number of Cores

Colour of Cores

1

Any Colour

2

Brown-Blue

3

Green/Yellow-Brown-Blue
Black-Blue-Brown

4

Green/Yellow-Black-Blue-Brown
Black-Blue-Brown-Black

Number of Cores

Colour of Core

1

Any Colour

2

Green/Yellow-Black
Black-Blue

3

Green/Yellow-Black-Blue
Black-Blue-Brown

4

Green/Yellow-Black-Blue-Brown
Black-Blue-Brown-Black