Cooker switch

[securespark]

But "not supposed to be run in cavities" is not strictly correct, is it?

I'm complaining about your "cover-all" comments. You need to be more specific.

First, in this instance, it is not a cavity between brick or block leaves, is it? It's the space between the inner leaf and a sheet of plasterboard.

 

[swampydrill]

I am not up to speed with these reg's but let me explain. The cables are on an internal flat wall, between this wall and my neighbour, there is a concrete wall, the cavity is between this wall and the internal plasterboard wall

 

[flameport]

the cavity is between this wall and the internal plasterboard wall

Not a problem.

The 'not in a cavity' thing is for the cavity between the inner and outer walls, typically full of unseen sharp pieces of mortar, wall ties and other junk which can damage cables.

 

[JohnW2]

Not a problem. The 'not in a cavity' thing is for the cavity between the inner and outer walls, typically full of unseen sharp pieces of mortar, wall ties and other junk which can damage cables.

Indeed, not to mention the (non-electrical) issue of the cable potentially bridging the cavity.

Kind Regards, John

 

[John D v2.0]

Actually cables are allowed to bridge the cavity of an external wall, just not run along. Although you'd generally make sure they slope outwards to avoid water ingress. And put a drip loop on the outside as necessary.