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  • From: Jim Ray <jim AT neuse.net>
  • To: raustin3 AT nc.rr.com, "Internetworkers: http://www.ibiblio.org/internetworkers/" <internetworkers AT lists.ibiblio.org>
  • Subject: Re: [internetworkers] House LAN ?
  • Date: Tue, 18 Jul 2006 21:50:04 -0400

actually, you are ok running non plenum cable above drop in ceilings if both the send and return for the HVAC is in a tube thingie. only if the air passes through the area above the drop in ceiling should you use plenum cable.

i have yet to see any drop in ceilings in a residence, though.

Regards,

Jim

Jim Ray, President
Neuse River Networks
2610 Vanderbilt Ave.
Raleigh, NC 27607-7247

tel: 919-838-1672
cell: 919-606-1772
http://www.Neuse.Net

Connecting You to the World since 1997

Roger Austin wrote:
Tanner Lovelace wrote:

You do realize the difference between plenum and non-plenum cable, right?
Only plenum cable is rated for going inside the walls. Non-plenum cable
should NEVER be run inside walls. As wikipedia puts it:

Non plenum cable is used in walls all the time. Plenum is used in
plenums such as air ducts, etc., as well is if you are running it
without conduit in open air wire racks or drop ceilings or raised
computer room floors. If it is in the walls, non plenum is exactly
what you would use since fire retardant cable is unnecessary.
If you are laying cable in a drop ceiling or tacking it to the
wall in your room use plenum cable. If it is in an area where there
is no air flow (such as a wall) use non plenum. That is why they
make it.
It actually says that in the wikipedia link you sent.





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