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Re: EIB installation
> Sounds fun connecting 3phase over there :)
Havent been caught out yet .....always check if someone else has wired the
3
phase plugs....
> Trouble with us changing colour is that i've got 100 Tons of Twin and
Earth
> cable with Red and Black cores - gonna have to start moving that over
the
> next year :)
Thats a lot of cable!!!!!.......
Couple of years ago they changed the outer sheath on the tps...it use to be
pretty thick..Now its so thin you would think that the 2.5 t+e is lighting
....same in the UK ??
----- Original Message -----
From: "Dean Barrett" <dean@rolec.net>
To: <ukha_d@yahoogroups.com>
Sent: Saturday, January 17, 2004 10:54 PM
Subject: RE: [ukha_d] EIB installation
> Yep thats the same argument from the IEE here - possiblility of 2
2.5mm
> radials both running @ 32amps potentially.
>
> Sounds fun connecting 3phase over there :)
>
> Our 3phase colours will be changing too - cant remember what they'll
be
but
> i think it involves black, grey, white, blue - something like that....
>
> Trouble with us changing colour is that i've got 100 Tons of Twin and
Earth
> cable with Red and Black cores - gonna have to start moving that over
the
> next year :)
>
>
>
> Dean.
>
>
>
>
>
>
>
> Try our amazing lighting demonstration online now, and watch in
> realtime via our webcam. Click below and follow the CBus links.
> www.rolec.net
> dean@rolec.net
> Tel: 01908-210677
> Fax: 01908-210678
> The information in this internet E-mail is confidential and is
intended
> solely for the addressee. Access, copying or re-use of information in
it
by
> anyone else is unauthorised. Any views or opinions presented are
solely
> those of the author and do not necessarily represent those of The
Rolec
> Group or any of its affiliates. If you are not the intended recipient
please
> contact wrongmail@rolec.net
>
> -----Original Message-----
> From: Frank Mc Alinden [mailto:fmcalind@xxxxxxx]
> Sent: 17 January 2004 11:46
> To: ukha_d@yahoogroups.com
> Subject: Re: [ukha_d] EIB installation
>
>
> Hi Dean
>
> > Wiring will evolve over time. - IEE are currently considering
the
> > replacement of Ring Main circuits with Radials for Sockets
which is
> common
> > in other countries.
>
> This is how its done in Australia.....I recall many years ago asking
the
> electrical inspector why they didnt use the ring main system as in
the
> UK...(since the aussie standards were based on the british standards
iee
> regs) and he told me that if an active (live) or neutral somewhere
in
the
> ring broke for whatever reason you then had the possibility of
supplying
> 30
> amps via one of the now 2 radial circuits............fair comment
>
> > Also not long now till we go Brown & Blue in our Twin &
Earth cable -
> > that'll cause some confusion to the do-it-yourself'ers down at
B&Q :)
> >
>
> Ok what about this one...........Here we use orange circular cable
for
> industrial wiring....red white blue for phase black neutral and
> green/yellow
> earth.......Now the Aust standards state that in a flexible cable
blue
is
> neutral.....so when sparkies wire suspended 3 phase outlets they are
> suppose
> to join the (fixed wirng orange circ ) black (neutral) to the
suspended
> flex
> blue (neutral) and vise versa .......Of course lots put black to
black
and
> blue to blue...........
>
>
>
>
>
> ----- Original Message -----
> From: "Dean Barrett" <dean@rolec.net>
> To: <ukha_d@yahoogroups.com>
> Sent: Saturday, January 17, 2004 9:34 PM
> Subject: RE: [ukha_d] EIB installation
>
>
> > Like your thinking :)
> >
> > We have just completed a couple of properties - where lighting
for
> > Lounge/Dining etc. is wired in a 'star' topology back to an
enclosure
> filled
> > with Klippon connectors, and fed from a single MCB. This is
totally
> > transparent to the end user and any competent electrician would
have
no
> > problem dealing with this.
> >
> > Wiring will evolve over time. - IEE are currently considering
the
> > replacement of Ring Main circuits with Radials for Sockets
which is
> common
> > in other countries.
> >
> > Also not long now till we go Brown & Blue in our Twin &
Earth cable -
> > that'll cause some confusion to the do-it-yourself'ers down at
B&Q :)
> >
> >
> >
> > Dean.
> >
> >
> >
> >
> >
> >
> > Try our amazing lighting demonstration online now, and
watch in
> > realtime via our webcam. Click below and follow the CBus links.
> > www.rolec.net
> > dean@rolec.net
> > Tel: 01908-210677
> > Fax: 01908-210678
> > The information in this internet E-mail is confidential
and is
> intended
> > solely for the addressee. Access, copying or re-use of
information in
it
> by
> > anyone else is unauthorised. Any views or opinions presented
are
solely
> > those of the author and do not necessarily represent those of
The
Rolec
> > Group or any of its affiliates. If you are not the intended
recipient
> please
> > contact wrongmail@rolec.net
> >
> > -----Original Message-----
> > From: Paul Gordon [mailto:paul_gordon@xxxxxxx]
> > Sent: 17 January 2004 10:24
> > To: ukha_d@yahoogroups.com
> > Subject: RE: [ukha_d] EIB installation
> >
> >
> > I Was thinking this too....
> >
> > Correct me if I'm wrong, but I was always of the belief that
the
> *only*
> > reason that a ring circuit was/is the "standard" in
this country
> was/is
> > because it uses the least amount of cable, and housebuilders
are
> > tight-arses?....
> >
> > Isn't it true to say that a star wiring topology would be
"superior"
> to
> a
> > ring topology in just about every practical way?
> >
> > - absolutely "standard" switching operation is
possible
> > - much better granularity of isolation of sockets/switches
etc. is
> > possible
> > - more flexible switching schemes are possible
> >
> > Downsides? - well a home run from every point
(switch/socket/light
> > fitting)
> > uses quite a bit more twin & earth, and you end up with
significantly
> more
> > ends to acommodate at the consumer unit.
> >
> > but just envisage how much more flexible it would be to
effectively
> have
> > *every* single electrical outlet in the house on it's own
circuit -
> which
> > of
> > course you could do if you wanted to, but if the cost of all
those
> extra
> > MCB's is too much then there's also the ability to gang lots
of
those
> > wires
> > together at the CU to make a more "conventional"
arrangement that
> > resembles
> > several ring circuits...
> >
> > The bottom line is, if you do a star wiring arrangement, it's
> perfectly
> > possible & easy to make it operate *exactly* the same as
a ring main
> if
> > you
> > want to, such that from a user perspective they wouldn't know
the
> > difference.... 1 switch operates 1 light fitting, and the CU
has
> breakers
> > for (for example) Upstairs lights, upstairs sockets,
downstairs
> lights,
> > downstairs sockets, kitchen, shower, etc.... only an
electrician
would
> > know
> > anything was different, and then if each cable end is
adequately
> labelled
> > at
> > the CU, then any idiot who can read ought to be able to
figure it
> out....
> >
> > I'd just do it and not tell her... ;-)
> >
> > Just my amateur opinions of course, and totally unqualified
to offer
> > advice
> > on anything electrical... (but I'm still alive!)
> >
> >
> > Paul G.
> >
> >
> > >>
> > >Just before I dive in with some comments, what exactly do
you mean
> when
> > you
> > >talk about "standard" wiring. If you wire for
A.N.Other hardwired
> system;
> > >CBus, Polaron etc. you can revert to standard switches
& sockets by
> > >removing your intelligent, centrally-located kit and
replacing with
> > >connecting blocks (for want of a better description).
> > >
> > >Or, if it's really a problem, run two lots of mains
cables (e.g.
CBus
> and
> > >'standard' configurations) and only connect up the second
lot when
> you
> > come
> > >to sell.
> > >
> >
> >
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