Circular solid conductor (Class 1)
All other conductors circular stranded compacted (Class 2).
All the Cables are insulated with PVC Type 5 Heat Resisting 85°C compound and sheathed with PVC
Type 9 / ST2 conpound OR PVC Type A/TI1 compound and sheathed with PVC Type ST1/TM1 compound.
All other Cables conform to IEC 60502 - 1 & generally to BS 6346.
Colour of insulation and sheath black.