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standard wiring infrastructure
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<p style="margin-bottom:0cm;"><font face="Calibri,
serif"><font style="font-size:11pt;"
size="2"><span lang="en">A
friend is developing some houses and wants to include "cables
for a smart home". </span></font></font>
</p>
<p style="margin-bottom:0cm;line-height:100%;"><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en">My
view (that I am looking to be shot down / improved!) is that for
automation he needs to consider Power, Control and Intelligence
</span></font></font><font face="Calibri,
serif"><font style="font-size:11pt;"
size="2"><span
lang="en">together</span></font></font><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en">
</span></font></font><font face="Calibri,
serif"><font style="font-size:11pt;"
size="2"><span lang="en">and
consider security, CCTV, TV, data as separate
overlays.</span></font></font></p>
<ul><li><p
style="margin-bottom:0cm;line-height:100%;"><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en">Power
- the mains wiring should be radial from a
</span></font></font><font face="Calibri,
serif"><font style="font-size:11pt;"
size="2"><span
lang="en">(</span></font></font><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en">number
of) centralised relay/dimmer locations to the ceiling roses / light
fittings / sockets with normal switch wiring from rose to switch
plate. </span></font></font>
</p>
</li><li><p
style="margin-bottom:0cm;line-height:100%;"><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en">Control
- cable in cat5 radially from one or two centralised locations to
each switch position (for buttons) and to the locations where relays
and dimmers are to be housed. </span></font></font>
</p>
</li></ul>
<p style="margin-bottom:0cm;line-height:100%;"><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en">This
will allow his buyers to either opt for not having automation or
choose between Cbus, Command Fusion, Dupline, Control4, DMX, Idratek
or Velbus for the actuators and switch plates. Bye Bye stand by,
Rako and Insteon plus others can also be considered for wireless
solutions.</span></font></font></p>
<p style="margin-bottom:0cm;line-height:100%;"
lang="en"><br>
</p>
<ul><li><p
style="margin-bottom:0cm;line-height:100%;"><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en">Intelligence
- no further special cabling requirements but the above can be
controlled by one or some of Comfort, Harmony, Idratek plus raft of
other controllers. i.e. The controllers do not require special
cabling beyond the normal practice of running alarm CCTV, TV, data
etc cables back to a common point, as would be done normally for
them and structured
cabling.</span></font></font></p>
</li></ul>
<p style="margin-bottom:0cm;line-height:100%;"
lang="en"><br>
</p>
<p style="margin-bottom:0cm;line-height:100%;"><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en">I
also looked at what I could find about AMX, Creston, KNX, Lutron.
All seem to offer their own "special" 4-core cables with
2
for power 2 for data with the power cores normally thicker than the
data pair and also thicker than cat5. My guess is these would run
fine over cat5 but they may be commercial issues with not using the
vendor cable. </span></font></font><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en">I
am not so sure about the topology
requirements.</span></font></font></p>
<p style="margin-bottom:0cm;line-height:100%;"><br>
</p>
<p style="margin-bottom:0cm;line-height:100%;"><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en">If there was a move towards standard wiring for
building control / automation this would be so much
easier. Does anyone know of vendors moving towards a
standard?
<br></span></font></font></p><p
style="margin-bottom:0cm;line-height:100%;color:rgb(0, 0,
0);font-size:14.6667px;font-family:Calibri,
serif;background-color:transparent;font-style:normal;"><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en"><br></span></font></font></p><p
style="margin-bottom:0cm;line-height:100%;color:rgb(0, 0,
0);font-size:14.6667px;font-family:Calibri,
serif;background-color:transparent;font-style:normal;"><font
face=&
quot;Calibri, serif"><font style="font-size:11pt;"
size="2"><span
lang="en">thanks</span></font></font></p><p
style="margin-bottom:0cm;line-height:100%;color:rgb(0, 0,
0);font-size:14.6667px;font-family:Calibri,
serif;background-color:transparent;font-style:normal;"><font
face="Calibri, serif"><font
style="font-size:11pt;" size="2"><span
lang="en">JonS<br></span></font></font></p><p
style="margin-bottom:0cm;line-height:100%;"
lang="en"><br>
</p>
<p style="margin-bottom:0cm;line-height:100%;"
lang="en"><br>
</p>
<p style="margin-bottom:0cm;"><br>
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