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Re: Re: What Infrastruture? - newbie question



Hi John,

The Idratek system (www.idratek.com) has wall switch modules that include
upto 2 relays or 1 dimmer channel in a single gang unit. This means you can
have a "classical" radial + switch wires scheme (provide you stay
within
module loading limits) and just need an extra Cat5 daisy-chained or
"spidered" to each wall switch (although ceiling positions for
sensors add
considerably to the usefulness). It also makes it easier to remove the
automation for resale should you hit issues with technophobes.

But for flexibility you can't beat the star-wired to Node-0 scheme, this is
the only way to get the freedom to specify equipment later that you asked
for.

Cheers,

David

On 8/28/06, Jonathan Shaw <semi.jon@xxxxxxx> wrote:
>
>   --- In ukha_d@xxxxxxx <ukha_d%40yahoogroups.com>, "Nigel
> Giddings" <nigel@...> wrote:
> > Lighting in the UK is not wired in a ring but as a radial with
> switch drops usually from the ceiling rose.
> >
>
> I thought the rose's were in a ring with the switch wire radiating
> from the roses??
>
> > You should really decide your strategy for light control. X-10
> doesn't require a neutral at the switch but is not the system I would
> aspire to. C-Bus and many similar systems work on a low voltage data
> bus which uses a cable with similar specs to CAT5e. The problem being
> if you have installed 1.0mm 3 Core & Earth and you need CAT5e you
> will be channeling out the walls and lifting floorboards again...
> >
>
> I was hoping to get the infrastructure right before having to make
> decisions about what to hang on the end - shame different
> infrastructure is required for different solutions!
>
> > I personally think the ultimate is cable routes that allow the
> cables to be changes as required which is why I have used conduit and
> trunking with access to all joints...
>
> I do not think I can justify the cost or space of running everything
> radially, although I'll try to put the drops through plaster in
> conduit. This should ease the addition of CAT5 for C-bus if required.
>
> > Some examples of my attempt...
>
> Wow - that's some set-up!
>
> Thanks
> Jon
>
>
>


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