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CAT5e
comes in shielded and unshielded, stranded and solid. The cheapest is
unshielded
solid with the most expensive being shielded stranded. Shielded cable is
used to
reduce the risk of interference and stranded cable is used where
flexibility is
required (for example the cable coming from the outlet in the wall to your
appliance). So, that means that majority of structured cabling should be
unshielded solid CAT5e.
All my
structure cabling uses CAT5e, unshielded and solid, including the cabling
to my
PIRs. The only time I used shielded, stranded 8-core alarm wire (which is
not
twisted in pairs) was for my comfort doorphone and keypads, though I
suspect
that they could have used CAT5e too. If you want to be 'really structured'
in
your approach to wiring, then you could do what I did and actually have
your
PIRs plugged in to an RJ45 outlet so that they can swapped, removed or
replaced
with some other piece of equipment. However that approach is not the
neatest, as
it means that the wires are not entirely hidden.
Regards
Graham
I think you'll find that screened, stranded
alarm
cable is recommended for alarm/PIR cabling as opposed to CAT5 which is
solid
cored.
Tracey
I asume that
CAT5, CAT5e, CAT are all fine.
Can someone
confirm please?
Should I go for
shielded one?
Cheers,
Nik
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