RE: Query on wiring and Cbus

["Rob Mouser" <rmouser@xxxxxxx>]

Yep very shallow actually. You don't even need a back box, you can screw
mount it onto a plasterboard wall with a cut out.

I'll email you a price list.


-----Original Message-----
From: Des Gibbons [mailto:des@xxxxxxx]=20
Sent: 01 March 2003 22:36
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Query on wiring and Cbus


Thanks for that Rob!

It looks like a standard UK 1 gang backbox, can you confirm? Do you have
a trade price list you can send me over?

Cheers, Des.

> -----Original Message-----
> From: Rob Mouser [mailto:rmouser@xxxxxxx]
> Sent: Saturday, March 01, 2003 22:24
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Query on wiring and Cbus
>
>
> Picture of Neo here:
>
> http://www.mouser.co.uk/Clipsal_3.htm
>
>
> -----Original Message-----
> From: Rob Mouser
> Sent: 01 March 2003 22:20
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Query on wiring and Cbus
>
>
> Hi Des
>
> OK bear with me here. I'm a little fuzzy (Large curry and quite a
few=20
> lagers! Screen and keyboard non to clear :-))
>
> Pink cable: =A350+VAT Trade
> 4 button e2000 switch: =A354.00+VAT Trade
>
> >From memory (I'm not a sparky!) 5amp is the 'practical' limit
on=20
> >1.5mm
> t&e.
>
> I would personally not feed a sub-consumer unit with 1.5mm or 2.5mm. I
> *think* wiring regs would not support this as they would say that=20
> there is a risk someone might put a higher ampage feed from the
unit.=20
> i.e. sockets or shower. I have secondary consumer units in my barn for

> c-bus, they are fed by 32amp mother of cables complete with
separate=20
> earths. The sparky would not do it any other way. A complete bitch
to=20
> run though!
>
> Wiring regs and c-bus is one almighty grey area which I am
currently=20
> researching. Clipsal admit that much of the regs just don't
recognise=20
> SELV type apps like C-bus. A good example of this is c-bus switches in
> bathrooms:
>
> Extract from c-bus technical:
>
> What is the position re using Clipsal switches in a bathroom - does it

> comply with IEE regs (BS7671) ?? C-bus operates SELV which
according=20
> to the regs you could install a c-bus switch in the bathroom,
however=20
> if you are NICEIC/ECA registered they will fail your installation.=20
> It's one of these grey areas which in time will resolve it self by=20
> understanding and the number systems being installed.
>
> HTH
>
> Rob
>
>
> -----Original Message-----
> From: Des Gibbons [mailto:des@xxxxxxx]
> Sent: 01 March 2003 19:49
> To: Ukha_D@Yahoogroups. Com
> Subject: [ukha_d] Query on wiring and Cbus
>
>
> Hi,
>
>
> OK, I have been tracing the cable routes from the consumer unit to the

> 1st floor void and attic with the intention of home running power=20
> feeds back to the consumer unit for each light fitting to connect
to=20
> some cbus dimmers.
>
>
> Then I had a thought, power is already run to each area in the form of

> 2 x 1mm t&e cables, so if I place the cbus units on the first
floor,=20
> and in the attic, I will dramaticlly reduce the amount of homerun=20
> cabling I need to do.
>
> So assuming the 2 x 1mm T&E will provide enough juice to power
the=20
> cbus dimmer, and the light fittings on each floor, can anyone see
any=20
> problems doing it this way? (If the 2 x 1mm T&E aren't enough, I
can=20
> always run 1 or 2 2.5mm T&E easily)
>
> All the switches are being homeruun to a different location anyway, so

> it is only the power cables to each fitting.
>
> Oh, and do the wiring regs say anything about doing it this way?
>
> Cheers, Des.
>
>
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