Number of cores in various sizes:

1. 7/38 : 1,2,3,4,5,6,7,8,9,10,12,16,18,20.25.
2. 7/36: 1,2,4,5,6,8,9,10,12,16,19,27,37.
3. 14/36: 1,2,3,4,6,8,10,12,16,19,27,37.
4. 23/36: 1,2,3,4,5,6
5. 32/36: 2,3,4,5,6.
6. 40/36: 2,3,4,6
7. 48/36: 2,3,4,6.
8. 80/36: 2,3,4,6.

Application:
Measuring, testing and regulating equipment, audio equipment, industrial television systems, studio wiring, ship direction-finding systems, signalling, safety, and other electrical and electronic equipment and systems.

Colour of Sheath:
Black or grey.

Colour of Insulation:
All insulated conductors have separate colour coding for clear identification.