Electrical cable - how cold?

I for one would not be expecting to find wiring under exterior render, I don't think many others would be either. I guess if you stick to the rules of vertical/horizontal from a visible fitting then a few bells might be rung in the minds of those about to drill holes. Still a bit risky IMHO.

I'm not sure how it would like being constantly flexed, all be it tiny amounts, by the thermally induced movements of the building. If the cable is free to move in a conduit not so bad but effectively and rigidly fixed, buried in render?

Thats a non problem. The time you'll get in trouble is when the rendering gets redone, and someone puts a chisel through it. So its best to put a cover over it before the render.

Regards, NT

Quoted(ish) from the regs but that is for *interior* walls. Does it apply to exterior walls? And what about all those electrical points outside...

A handy group, uk.d-i-y! I was so busy thinking about damage to the cable by weather that it it didn't occur to me to think of damage by human. Perhaps I will abandon the idea of running the cable behind the timbers and be sensible like everyone else, run them in front and disguise with a bit of acrylic paint camouflage when the time comes.

It has been worthwhile thinking about electrics at this stage though cos I have fixed battens between the studs which the switch boxes can be screwed to

Thanks all Anna ~~ Anna Kettle, Suffolk, England |""""| ~ Lime plaster repairs / ^^ \ // Freehand modelling in lime: overmantels, pargeting etc |____|