Re: Krone blocks, alarm cable, cat5, etc etc

["leewild80" <muddyboots@xxxxxxxxx>]

Hi Ian

Have just been reading this page on the Canford site:
http://www.canford.co.uk/Products/46-104-KRONE-237DB-Module

It suggests they can be use with stranded cable, 7/0.15 or 7/0.2 are the
preferred sizes.
I *think* 7/0.2 is typical for alarm cable, so it sounds promising in
theory...

Lee

--- In ukha_d@xxxxxxx, "ianh1000" <ianh1000@...> wrote:
>
> Hi Lee
>
> I have the same challenge with my setup. These look a neat solution
but I doubt they would be reliable with stranded cable, I guess you could
tin the strands with a little solder.
>
> Regards
> Ian
>
> --- In ukha_d@xxxxxxx, Paul Gale <groups2@> wrote:
> >
> > I would also be interested in this - I have a similar arrangement
of 3A term blocks (lots!)
> >
> > Paul.
> >
> >
> >
> > > -----Original Message-----
> > > From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> > > Of leewild80
> > > Sent: 05 October 2009 12:39
> > > To: ukha_d@xxxxxxx
> > > Subject: [ukha_d] Krone blocks, alarm cable, cat5, etc etc
> > >
> > > Hi all
> > >
> > > I have a Comfort system, with inputs from a number of PIRs -
all of
> > > which share 12v and 0v connections.
> > > Comfort itself only provides single 12v/0v connections, so
currently I
> > > have a not-very-ideal setup where the various PIR wires are
twisted
> > > together & shared across several ways in a 3-amp
connector block, and
> > > in the other side of the connector block I have daisy
chained some
> > > wires across to common them together.
> > >
> > > It works but it's really not ideal, not only because it's
messy as
> > > hell, but screw connectors on stranded wires are not very
reliable.
> > >
> > > Have been wondering about a better solution for a while,
like connector
> > > strips with leaf contacts and insulated combs for commoning
together.
> > >
> > > But then I happened across another thread on here where
people mention
> > > using Krone blocks.
> > >
> > > A bit of searching suggests a couple of Krone 237D blocks
might be an
> > > ideal and neat solution - they have a flying lead that I
could connect
> > > to Comfort's 12v and 0v, and all the terminals within the
block are
> > > commoned together. They even come in red and black :)
> > >
> > > A few questions if I may:
> > > 1) Does this seem a sensible idea ?
> > > 2) I presume I can use the standard Krone-type punchdown
tool that I
> > > bought for wiring cat5 faceplates ?
> > > 3) Do the blocks work reliably with stranded 6-core alarm
cable ?
> > > 4) Do the blocks work reliably with the solid cores of cat5e
cable ?
> > > 5) And (dumb question) - "normal" (237A) Krone
connectors - are
> > > terminals on both sides of these linked across so they act
just like a
> > > connector block ?
> > >
> > > Thanks for any help !
> > >
> > > Lee
> > >
> > >
> > >
> > > ------------------------------------
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
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