I needed a 6 core cable for extending the wiring from a British Gas UP2 Programmer to a Nest Heat Link ...
Remove the centre plastic string and replace it with earth wire ... Just needs the appropriate coloured sheathing on the ends if the wires.
I haven't tried it but over a short distance it might be possible to pass a coloured insulated wire through.
Remove the centre plastic string and replace it with earth wire ... Just needs the appropriate coloured sheathing on the ends if the wires.
I haven't tried it but over a short distance it might be possible to pass a coloured insulated wire through.