Re: Terminating Cable WAS ... Re: Sky+ at node zero

["Alancc" <alan.cc@xxxxxxx>]

Another tip, when you strip the sheath from a Cat5 core don't use side
cutters or anything sharp as the slightest nick will weaken the cable and
allow it to snap, use your front teeth it works a treat plus you don't lay
them down and loose them.

Alancc
----- Original Message -----
From: Keith Doxey <ukha@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Saturday, July 05, 2003 11:03 AM
Subject: RE: Terminating Cable WAS ...[ukha_d] Re: Sky+ at node zero


> I agree with Alan that Stranded Alarm cable should be used for alarm
panels
> but IF installed and terminated PROPERLY there shouldnt be any problem
using
> CAT5 or ordinary Telephone cable.
>
> Prior to the introduction of IDC Punchdown terminations, ALL telephone
> wiring was done using solid core cable terminated either on solder
tags
> where the wire was wrapped round a tag and soldered, or terminated
under a
> screw.
>
> If you are going to connect a solid core cable under a screw head
there
are
> three simple rules....
>
> 1. Go CLOCKWISE round the screw.
> 2. Dont overlap the wire
>
> ie the cable should be like this
>
> ______________
>              _
>
> not like this as it will cut through itself
> ______________
>              _
>
> 3. Dont overtighten the screw.
>
> If it is going to have direct pressure applied from the thread of the
screw
> then you shouldnt use solid cable as it screw will bite through the
wire.
If
> it is a cage clamp terminal ( a small leaf spring actually grabs the
cable )
> then it isnt a problem.
>
> Likewise you shouldnt use stranded cable with an IDC connector. It can
be
> done but doesnt give a reliable termination.
>
> Ideally you should use the correct cable type for the intended
purpose.
>
> Keith
>
> www.diyha.co.uk
> www.kat5.tv
>
>
> > -----Original Message-----
> > From: Alancc [mailto:alan.cc@xxxxxxx]
> > Sent: 05 July 2003 09:57
> > To: ukha_d@xxxxxxx
> > Subject: Re: [ukha_d] Re: Sky+ at node zero
> >
> >
> > You should not use Cat5 cable for alarm systems, its not
> > designed for the
> > terminations and is prone to snapping off if you move it
> > about a little.
> > Also BS 4737 has a specification for the cable type to be
> > used, that's why
> > we have alarm cable. If you do use screened cable make sure
> > you join the
> > screen at any joints and earth it at the panel otherwise it
> > acts like a big
> > antenna to crap.
> >
> > Alancc
> > ----- Original Message -----
> > From: Paul <p-gale@xxxxxxx>
> > To: <ukha_d@xxxxxxx>
> > Sent: Friday, July 04, 2003 10:27 AM
> > Subject: RE: [ukha_d] Re: Sky+ at node zero
> >
>
>
>
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