Re: Number of cables per conduit?

["Jonathan Shaw" <semi.jon@xxxxxxxxxxxxx>]

Tim
The joists change direction at one end of the house, so I can feed a
pipe in from  there.
Could you give a link to "U" nails not sure I've seen them and no
joy
on screw fix.  I do not think you mean a staple?

Yes I have a new stud wall which now has lots of services running
through it and was going to run a pipe through there - now 2 pipes!

Thanks
Jon

--- In ukha_d@xxxxxxx, "Tim Hawes" <timsyahoo@...> wrote:
>
> How are you going to get the waste pipe through the holes you've
> drilled, unless you take a couple of bricks out at the end of your
> house?
>
> Consider cheap guttering for supporting cables along the length of
> joists. I didn't bother, but used "U" nails instead with
cable ties
> etc around the bunch of cables just to lift them off the
plasterboard.
>
> I've got 3x CT100 coax and 2 or 3x Cat5 and it's nearly full. IIRC
> I've also got 3x coax + 2x speaker in some places too. Both groups
are
> into 25x26 "mini trunking" from TLC.
>
> I built a stud wall during my renovation and hid a length of waste
> pipe in there to carry cables from the void beneath the 1st floor up
> into the attic space. I probably should've put in two lengths...
>
> There's photos of some of my installation in the Group area on
Yahoo :-)
>
> HTH,
>
> Tim.
>
> On 10/4/06, Jonathan Shaw <semi.jon@...> wrote:
> > Are there any guidelines on the number of cables (Cat5, CT100,
speaker
> > etc) that will fit into 20 or 25 mm conduit?
> >
> > Common sense suggests that the conduit cannot be filled to the
max, but
> > what is the practicle limit?  9 x 5mm cables in 20 mm conduit?
> > Does it help to pull a bundle through at a time?
> >
> > I am thinking of running a 40mm waste pipe as a main conduit from
Node0
> > along the length of the house.  The joists are 180mm deep so can
use a
> > 45mm hole if my reading of building regs is right. I was then
going to
> > spur off 20/25mm conduit from this into the walls to the various
> > outlets.  Does this sound OK?
> >
> > TIA
> > Jon
>










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