90 degree turn on an oval PVC conduit

[beinerts]

Hi all,

I am planning to run a 2.5mm cable behind a plasterboard wall. The route follows safe zones, but I need the cable to turn 90 degrees. I can't find any joins for oval PVC conduit, how should I do it? I can't find anything in the wiki or forum pages.

Thanks

 

[ban-all-sheds]

AFAIK oval conduit can't be bent.

And if it could you'd never be able to draw T/E through it...

 

[Taylortwocities]

There's no need for conduit behind the plasterboard. Just clip the cable to the background, and dab the plasterboard over the top.

Just so long as the cable run is in the safe zones..

 

[ban-all-sheds]

Oval PVC tube would never be an answer to a zone problem anyway - I assume he's looking for ease of future changes....

 

[beinerts]

Ah, didn't realise that. So as long as it's in the safe zones behind plasterboard, it doesn't need conduit? Presumably it needs to be kept clear of insulation, though?

 

[ban-all-sheds]

• http://www.voltimum.co.uk/files/gb/attachments/niu/l/attachments/c5-43.pdf
• http://web.archive.org/web/20061110111450/http://www.niceic.org.uk/downloads/concealedcables.pdf
• IEE article
• IEE Article on 17th Edition requirements for concealed cables.

How big a gap do you have between the plasterboard and the insulation?

 

[beinerts]

Thanks for the link. The answer is "as long as they need to be"! i.e. I'll make sure there's enough gap.

 

[SparkyFromTheValley]

theres no need for conduit, unless you need it for something else? im not sure what u mean by oval conduit, but if its normal bog standard conduit your'e on about then you can get a bending spring which you place inside and just bend the conduit to the desired angle, then withdraw the spring.

 

[SparkyFromTheValley]

the wire can go through, round, under or over insulation, it really dont matter

 

[RF Lighting]

im not sure what u mean by oval conduit

 

[ColJack]

I'm almost certain I've seen pre-made bends for oval conduit in one of the Bigger Quality diy sheds...

 

[ColJack]

in fact, thanks to researching for another post, I've found this PDF catalogue that lists the bends, adaptors, clips and so on that you can get for it..

 

[beinerts]

Thanks for all the links and advice guys, very helpful.

 

[ban-all-sheds]

in fact, thanks to researching for another post, I've found this PDF catalogue that lists the bends, adaptors, clips and so on that you can get for it..

I'd still like to see someone pull T/E through oval conduit with a bend in it....