Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Electrical

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 05-04-2010, 02:46 PM   #1
Newbie
 
Join Date: May 2010
Posts: 2
Share |
Default

Low voltage wire & electrical wire (NM)


I'm planning to addding a coxial port and ethernet port (dual keystone plate) inside same workbox to a bedroom in a unfinished basement. I was planning on running the two wires in parellel along the 2x4 stubs up through the ceiling. On the other 2x4 runs a couple electrical wire. I was wondering if I can use the existed drilled hole up in the ceiling to route my RG6 and Cat5 (UTP), which currently has a couple or few 14-2 wires going thru it. Once it passes through the hole, I will route the two low voltage wires as far as possible from the electrical. Would having the low voltage wires right next to the electrical wires for roughly 6-8 inches overall impact or cause noise/interference on the low voltage wires? I would prefer not to drill another hole, as it's going thru the bottom of the i-beam and not stud.

dyang is offline   Reply With Quote
Old 05-04-2010, 04:05 PM   #2
Member
 
Join Date: Jul 2008
Location: NW of D.C.
Posts: 5,990
Default

Low voltage wire & electrical wire (NM)


This question comes up a lot.

For a worst case and simple experiment run several yards of all three cables together, while pulling 10A through the Romex by running a hair dryer on the end. Motors with brushes like in a hair dryer put out all kinds of nasty wideband interference, which you can hear on an AM radio.

The Romex will put out a magnetic field which really can't be shielded against so I'm depending on the 60 Hz being so far removed from the frequencies going through the other cables.
Also, computer stuff has error-correcting methods, which you would notice as a slowing down if the computer were detecting errors.

IMO you won't notice anything.

If you do want to shield the cables from the Romex you need to use a section of steel/iron pipe, not copper. If you want to go really hi-tech, use mu-metal.


Last edited by Yoyizit; 05-04-2010 at 04:11 PM.
Yoyizit is offline   Reply With Quote
Old 05-04-2010, 09:57 PM   #3
Newbie
 
Join Date: May 2010
Posts: 2
Default

Low voltage wire & electrical wire (NM)


It's probably best to find another safe place to drill and route away from electrical, I assume then, right.
dyang is offline   Reply With Quote
Old 05-04-2010, 10:02 PM   #4
Member
 
Join Date: Feb 2010
Posts: 81
Default

Low voltage wire & electrical wire (NM)


I think typical min. distance is 18 inches on parallel runs when running LV next to electrical. You'll want to drill a separate hole and save yourself the hassle.

**edit - can't think tonight... 18" separation OR physical barrier (e.g. stud, 2-gang box with divider, etc.)**

Last edited by brich; 05-04-2010 at 10:03 PM. Reason: adding comment
brich is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
HELP - wiring a 4 gang switch panel Tim_ Electrical 31 01-14-2010 05:27 PM
Important Wire Nut and Electrical Tape Question Wolfies167 Electrical 22 01-06-2010 12:59 PM
Standard gauge for household electrical wire tripower Electrical 2 09-21-2008 11:42 PM
Bury Low Voltage Wire in Wall? Tool Junkie Electrical 3 06-16-2008 07:38 AM
2 Prong Electrical mjcongleton Electrical 10 04-16-2008 08:59 AM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.