Log In

Come Join Us!

Are you a
Computer / IT professional?
Join Tek-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Tek-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here


Is it safe to run shielded external CAT6 cable near electrical cables

Is it safe to run shielded external CAT6 cable near electrical cables

Is it safe to run shielded external CAT6 cable near electrical cables

I just received a site plan indicating where electrical ducts and manholes are. I was told that the wanted the telecoms cable to run along side these power cable underground. Is it recommended to run shielded external CAT6 cable in this situation, if not i will have to recommend that they provide a different path for the telecoms cables.

RE: Is it safe to run shielded external CAT6 cable near electrical cables

If your planning to run ethernet in the same conduit as power cables, this is not legal.
If separate conduit it is OK, but must adhere to local code as to the distances from other cables.
Now with my experience with ethernet between building, it not a good idea. A local lightning ground strike can easily jump to the ethernet cable, even if it is enclosed in metal conduit. I lost a wire, and switches as a result of running ethernet between building in a metal conduit; the cable was also protected with surge protectors which fried. Most of the issue is how fast the ground around the conduit disapates a lightning hit, the proper grounding procedures, and the voltage differential between the two endoints of the wire should lightning hit in the area (ground/building/powerlines).
Even if you have optical isolators on each end of the ethernet, there is no guarantee you will not loose equipement.
As to lightning, ethernet or shielded ethernet make little difference, once there is a high voltage differential it will get to the copper wire.
Best off running fiber.

Chernobyl disaster..a must see pictorial

RE: Is it safe to run shielded external CAT6 cable near electrical cables

Here are some of the cabling rules from where I am:

Indoor and outdoor surface telecommunications cabling
Separation from low voltage (LV) cables by:

a.a minimum distance of 50 mm;
b.a barrier of durable insulating material or metal; or
c.a timber or metal stud, nogging, joist or rafter of any thickness; and
d.a minimum of 150 mm between open telecommunications terminations and LV electrical terminations

Separation from high voltage (HV) cables by:

a.not less than 450 mm separation from single core HV cables; or
b.for multi-core HV cables, by
i.a distance of not less than 300 mm; or
ii.a distance of not less than 150 mm where there is an interposing barrier; and
iii.a distance of not less than 175 mm around the interposing barrier.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Tek-Tips Forums free from inappropriate posts.
The Tek-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Tek-Tips forums is a member-only feature.

Click Here to join Tek-Tips and talk with other members!

Close Box

Join Tek-Tips® Today!

Join your peers on the Internet's largest technical computer professional community.
It's easy to join and it's free.

Here's Why Members Love Tek-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close