Hi, I've just purchased my first house and had new central heating fitted, where I removed a wall I have a recess of about 4" wide. I want to use this to run pipes And 2.5mm cable they will both be covered and then concreted in. Is this OK or will they still effect each other?
Running 2.5mm cable next to hot water pipe
- Thread starter MrMitch321
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It is not good practise to run cable near hot water pipes.
Cables get warm under load and they can overheat if there are external influences, like hot pipes, insulation materials, etc
Give yourself at least 50mm space between cables and pipes.
Cables get warm under load and they can overheat if there are external influences, like hot pipes, insulation materials, etc
Give yourself at least 50mm space between cables and pipes.
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Will the cable be in a 'safe zone'?
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It's not totally clear (at least, not to me!) what the OP meant, but we were told that the cable (and pipe) will be 'concreted in'. Does concrete not count as adequate mechanical protection per 522.6.101(iv)?
Kind Regards, John.
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It's not clear to me either, which is why I asked. If this is a wall and the wire is 25mm below the surface and covered with concrete, and I came along to mount a shelf, the concrete would in no way stop me drilling through the cable.
May even be >50mm.
That's an interesting point re. the concrete and 522.6.101(iv).
Presumably, if concrete is able to be applied it will be 'reasonably' deep anyway
It does say 'nails, screws and the like' - not more destructive forces.
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I'm not sure who would put a screw into a wall without drilling a hole first?
Exactly - so I suspect this is another poorly thought-through bit of the regs. As you say, I think that any reasonable depth of concrete would probably satisfy the actual literal wording of 522.6.101(iv) (protection against 'nails, screws and the like') although, in practice, this would/could be a dangerous situation. Anyone trying to fit anything in that position would usually be using a masonry drill, which would happily whizz through an embedded cable without any warning.
Mind you, on reflection, and although I'm not certain, I suspect we are probably actually talking about a floor (not wall), in which case it's much less likely that anyone will be drilling into it. If that were the case, we'd be talking about 522.6.100(v), rather than 522.6.101(iv) - but they both say exactly the same!
Kind Regards, John.
Agreed, but that's not what it says and you only have to comply with one of the conditions of 522.6.101.
Several pages ?
I was thinking it was the wall.
Can you have a recess in the floor?
Of course, you may be correct.
I didn't read 522.6.100 properly - that relates to cables passing through joists in floors (or ceilings). Where is the reg relating to cables buried in conctere floors?
Kind Regards, John.
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OK, what if I say 'masonry nail'.
I think we all initially interpreted it as a wall. However, when I thought deeper, the 'gap' (quite possibly 4" wide) that one gets 'where one removes a wall' is likely to be in the floor (and/or ceiling), isn't it? Conversely, how can one have a recess in a wall that no longer exists?
We obviously need clarification from OP.Kind Regards, John.
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