+1 from what I can remember from ANSI/TIA/EIA building standards documents I have read.
I would definitely NOT pull those cables side by side. I've seen similarly done years ago (pulling power along-side CAT), and it was a troubleshooting nightmare. -- ME2 On Wed, Apr 7, 2010 at 5:29 AM, Steven M. Caesare <scaes...@caesare.com>wrote: > It's actually the opposite. > > If at all possible, try to cross electrical cables, and signal cables > (including UTP) at right angles. > > The magnetic lines of flux induce more signal noise on parallel > conductors than it does perpendicular conductors. > > Now, a CAT 5/6 cable running on top of fluorescent fixtures... all bets > are probably off. The wiring and ballasts inside those could be oriented > all over the map. > > -sc > > > -----Original Message----- > > From: David W. McSpadden [mailto:dav...@imcu.com] > > Sent: Wednesday, April 07, 2010 8:26 AM > > To: NT System Admin Issues > > Subject: RE: question on cat-6 and 480V together > > > > I thought the actually problem with electrical currents and network > cable was > > (Pun intended) crossing the streams. What I mean to say is that as > long as > > you run the cables parallel to each other throughout the line the > affect is > > very minimal with regards to depreciated signal strength but if you > were to > > wrap one are the other or cross them the electric current would act as > a > > magnetic and suck the signal out of the cable.... > > This is very tricky stuff you are wanting to try but I think that you > could pull it > > off but test it first. You may have to run your cable the full 18 > inches apart > > from electrical... > > > > > > -----Original Message----- > > From: Eldridge, Dave [mailto:d...@parkviewmc.com] > > Sent: Wednesday, April 07, 2010 8:18 AM > > To: NT System Admin Issues > > Subject: RE: question on cat-6 and 480V together > > > > I know it's amazing it might just work fine. :) Lucky I do have an > excellent > > cable guy that is also researching this. We will have shielded, > outdoor rated > > cat6E with some sort of lightning protection. This will be extended > thru > > May/June and this is Colorado. I will looking into separation even by > a few > > inches. > > > > -----Original Message----- > > From: Raper, Jonathan - Eagle [mailto:jra...@eaglemds.com] > > Sent: Wednesday, April 07, 2010 6:12 AM > > To: NT System Admin Issues > > Subject: RE: question on cat-6 and 480V together > > > > Not best practice, but how many of our cable installations actually > are > > installed according to best practice? I've had to get on cabling > cntractors for > > laying cable directly on top of a 277v fluorescent fixture... *sigh* > (I got a new > > cabling contractor!) > > > > I've never tried what you're being asked to do, but here are my > thoughts... > > > > As for your specific situation, it may work just fine. Ideally you'd > want to have > > them separated by at least several inches, if possible. I'd probably > specify > > shielded Cat6, outdoor rated cable to be on the safe side. Also, there > may be > > a specific cable type for suspended cable runs. > > Finally, I'd consider lightning protection on both ends once inside > the > > building, in order to protect your equipment. > > > > Jonathan L. Raper, MCSE > > > > Sent from my Windows Mobile (r) enabled Smartphone. Please excuse > > brevity & any misspellings. > > > > ________________________________ > > From: Eldridge, Dave <d...@parkviewmc.com> > > Sent: Wednesday, April 07, 2010 7:55 AM > > To: NT System Admin Issues <ntsysadmin@lyris.sunbelt-software.com> > > Subject: OT: question on cat-6 and 480V together > > > > I am being told that one of our MRI machines is temporarily moving to > a > > trailer out on the street and they want to pull overhead a cat-6 and > 3phase > > 480V together. Way out of my league. Anyone see any noise issues with > > these tied together? Anything else I'm missing? > > thanks > > > > > > This e-mail contains the thoughts and opinions of the sender and does > not > > represent official Parkview Medical Center policy. > > > > This communication is intended only for the recipient(s) named above, > may > > be confidential and/or legally privileged: and, must be treated as > such in > > accordance with state and federal laws. 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Do not deliver, distribute or copy this message, > and do > > not disclose its contents or take any action in reliance on the > information that > > it contains. > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ > > <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ > > <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > > > > > > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ > > <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
