Code advice.

[jamie-spark]

Does it? In the case of singles then a single fault will expose the ELV cables to a voltage that their insulation is not rated for, so how would that take two faults? After all, the whole point is that we cannot confirm that they are sufficiently insulated against 230V. So in the case of the singles I can see a case for a C2, but ultimately - as said - it is a matter of opinion.

What I was primarily getting at was in the case of the flat sheathed cables sharing the same containment

 

[jamie-spark]

if you think thats bad ill see if I can get some pics on monday

It's no bad mate I have seen worse too