Re: Updated pics of my loft conversion

["Paul Robinson" <ukcueman@xxxxxxxxxxx>]

As Paul said, the C types don't trip so quickly as type B. That's why
I used them. Under suitable conditions, they'd go as well, but
I already have a type B MCB on the input to each dimmer and on the output
of each channel. If anything is going to protect the
triacs at all, then they should be able to do it.

It should also be said: I'm not a sparkie.

----- Original Message -----
From: "Raymond Kelly" <raymondtkelly@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Wednesday, January 23, 2008 10:03 PM
Subject: Re: [ukha_d] Updated pics of my loft conversion


> So the Type B's were protecting the dimmer channels tripping
> so preventing the short circuit which would blow the triacs in the
channel.
> That is what you want isn't it?
> The type C's don't trip? so how does that protect the channel?
>
>
> On 23/01/2008, Paul Robinson <ukcueman@xxxxxxx> wrote:
>>
>>   I have my cbus split across two boards, with each board
protected by an
>> MCB. Then another MCB on the input to each dimmer, and an
>> MCB on the output of each channel (possibly overkill, but it
works). I
>> used to have type B everywhere, but found that when a halogen
>> blew, it would usually take out three MCBs - including the one
protecting
>> the whole of one board. I changed the board MCB to a type
>> C, and now I rarely have that problem.
>>
>> Paul
>>
>> ----- Original Message -----
>> From: "Raymond Kelly" <raymondtkelly@xxxxxxx
<raymondtkelly%40gmail.com>
>> >
>> To: <ukha_d@xxxxxxx <ukha_d%40yahoogroups.com>>
>> Sent: Wednesday, January 23, 2008 6:59 PM
>> Subject: Re: [ukha_d] Updated pics of my loft conversion
>>
>> > I've got Type B MCB's on my Channel outputs. Should I also
have used
>> > Type C's. Just got me thinking
>> >
>> > On 23/01/2008, Paul Gale
<groups2@xxxxxxx<groups2%40siliconpixel.com>>
>> wrote:
>> >> They're C rated 1 Amp.
>> >>
>> >> Paul.
>> >>
>> >>
>> >>
>> >> > -----Original Message-----
>> >> > From: ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com> [mailto:
>> ukha_d@xxxxxxx <ukha_d%40yahoogroups.com>] On Behalf
>> >> > Of Jon Wilkins
>> >> > Sent: 23 January 2008 18:10
>> >> > To: ukha_d@xxxxxxx <ukha_d%40yahoogroups.com>
>> >> > Subject: Re: [ukha_d] Updated pics of my loft
conversion
>> >> >
>> >> > What rating are they? Presumably pretty low? (I'm
not sure how low
>> >> > you can
>> >> > generally get MCBs)
>> >> >
>> >> > On Jan 23, 2008 6:05 PM, Paul Gale
<groups2@xxxxxxx<groups2%40siliconpixel.com>>
>> wrote:
>> >> >
>> >> > > MCB's to protect the CBus units when a lamp
blows - extra insurance
>> >> > > really.
>> >> > >
>> >> > > Paul.
>> >> > >
>> >> > >
>> >> > >
>> >> > > > -----Original Message-----
>> >> > > > From: ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com> [mailto:
>> ukha_d@xxxxxxx <ukha_d%40yahoogroups.com>] On
>> >> > Behalf
>> >> > > > Of Jon Wilkins
>> >> > > > Sent: 23 January 2008 18:00
>> >> > > > To: ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com>
>> >> > > > Subject: Re: [ukha_d] Updated pics of my
loft conversion
>> >> > > >
>> >> > > > Similar question, you've got a bank of
switches or MCBs at the
>> >> > bottom
>> >> > > > of
>> >> > > > each hager panel.
>> >> > > > Are these on the run from the CBUS unit
back to the light? if so,
>> >> > are
>> >> > > > they
>> >> > > > MCBs or just "simple" switches
to provide mechanical isolation?
>> >> > > >
>> >> > > > On Jan 23, 2008 5:09 PM, Paul Gale
<groups2@xxxxxxx<groups2%40siliconpixel.com>
>> >
>> >> > wrote:
>> >> > > >
>> >> > > > > Yes - they're 10A MCB's
>> >> > > > >
>> >> > > > > Paul.
>> >> > > > >
>> >> > > > > > -----Original Message-----
>> >> > > > > > From: ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com>[mailto:
>> ukha_d@xxxxxxx <ukha_d%40yahoogroups.com>] On
>> >> > > > Behalf
>> >> > > > > > Of Raymond Kelly
>> >> > > > > > Sent: 23 January 2008 16:59
>> >> > > > > > To: ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com>
>> >> > > > > > Subject: Re: [ukha_d] Updated
pics of my loft conversion
>> >> > > > > >
>> >> > > > > > Paul,
>> >> > > > > > On the CBus units I see that you
have an MCB? (red switch) on
>> >> > the
>> >> > > > > > input of each. Are these the
CBus Dimmer units and what is
>> the
>> >> > > > rating
>> >> > > > > > of this MCB.
>> >> > > > > > I assume if 1A perchannel on a 8
Channel dimmer should be 8A
>> -
>> >> > I'm
>> >> > > > > > good at maths me
>> >> > > > > >
>> >> > > > > > Cheers
>> >> > > > > >
>> >> > > > > > On 23/01/2008, Paul Gale
<groups2@xxxxxxx<groups2%40siliconpixel.com>>
>> wrote:
>> >> > > > > > > You can also get the other
type that has a small black
>> >> > plastic
>> >> > > > insert
>> >> > > > > > that you put the wires into
first - probably just as easy to
>> >> > use
>> >> > > > and a
>> >> > > > > > lot, lot cheaper.
>> >> > > > > > >
>> >> > > > > > > Paul.
>> >> > > > > > >
>> >> > > > > > >
>> >> > > > > > >
>> >> > > > > > > > -----Original
Message-----
>> >> > > > > > > > From: ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com>
>> >> > [mailto:ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com>] On
>> >> > > > > > Behalf
>> >> > > > > > > > Of Mike Griffiths
>> >> > > > > > > > Sent: 22 January 2008
23:20
>> >> > > > > > > > To: ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com>
>> >> > > > > > > > Subject: RE: [ukha_d]
Updated pics of my loft conversion
>> >> > > > > > > >
>> >> > > > > > > > I went for it Chris
>> >> > > > > > > > Though only to allow
me to make Cat5 terminations on a
>> one
>> >> > by
>> >> > > > one
>> >> > > > > > basis
>> >> > > > > > > > If I needed more than
that I would get someone who had
>> >> > better
>> >> > > > > > eyesight
>> >> > > > > > > > than me!!!
>> >> > > > > > > > Mike
>> >> > > > > > > > Not getting old just
lazy!!
>> >> > > > > > > >
>> >> > > > > > > > -----Original
Message-----
>> >> > > > > > > > From: ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com>
>> >> > [mailto:ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com>] On
>> >> > > > > > Behalf
>> >> > > > > > > > Of Chris Hunter
>> >> > > > > > > > Sent: 22 January 2008
20:59
>> >> > > > > > > > To: ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com>
>> >> > > > > > > > Subject: Re: [ukha_d]
Updated pics of my loft conversion
>> >> > > > > > > >
>> >> > > > > > > > >terminating ...
>> >> > > > > > > >
>> >> > > > > > > > on which subject,
wondered if anyone had tried these
>> EZ-RJ-
>> >> > 45s
>> >> > > > :
>> >> > > > > > > >
>> >> > > > > > > > http://www.cyberselect.co.uk/product/1340
>> >> > > > > > > >
>> >> > > > > > > > a bit over double the
price of standard RJ-45s, but would
>> >> > seem
>> >> > > > to
>> >> > > > > > > > offer better chance of
a good quality fit (for those of
>> us
>> >> > who
>> >> > > > > > don't
>> >> > > > > > > > do it everyday,
anyway, and in terms of both getting the
>> >> > cables
>> >> > > > > > > > poistioned, and in
minimising the untwist) ... ??
>> >> > > > > > > >
>> >> > > > > > > > Chris
>> >> > > > > > > >
>> >> > > > > > > >
>> >> > > > > > > >
>> >> > > > > > > > On 22 Jan 2008, at
05:32, Frank Mc Alinden wrote:
>> >> > > > > > > >
>> >> > > > > > > > > Hi Paul
>> >> > > > > > > > >
>> >> > > > > > > > > Great pics ...;-)
Are you terminating the cat5 cables
>> >> > > > > > > > > yourself
???....If so
>> >> > > > > > > > > your gonna be a
busy boy ;-)
>> >> > > > > > > > >
>> >> > > > > > > > > Frank
>> >> > > > > > > >
>> >> > > > > > > >
>> >> > > > > > > > [Non-text portions of
this message have been removed]
>> >> > > > > > > >
>> >> > > > > > > >
>> >> > > > > > > >
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>> >> > > > > > > >
>> >> > > > > >
>> >> > > >
>> >> >
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