Ethernet, Video and 12v AC in Same Pipe

Jan 28, 2007 6 Replies

I'm planning on running the three sets of wire in the Subject 60' underground 18' deep in a 1 1/2" grey electrical pipe. The video is for a video camera. Should I be concerned about interference. If so, what can I do to minimize it? AC is black,white and green 12 gauge copper wire.



Wayne T. Watson (Watson Adventures, Prop., Nevada City, CA) (121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time) Obz Site: 39° 15' 7" N, 121° 2' 32" W, 2700 feet



"Depend upon it, there is nothing so unnatural as the commonplace." -- Sherlock Holmes, in "A Case of Identity"


Web Page:

Wayne T. Watson (Watson Adventures, Prop., Nevada City, CA) (121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time) Obz Site: 39° 15' 7" N, 121° 2' 32" W, 2700 feet

"Depend upon it, there is nothing so unnatural as the commonplace." -- Sherlock Holmes, in "A Case of Identity"

Web Page:

Shouldn't be any problem. I assume the video is run in shielded cable?

. . . . . . . .

Since you changed the voltage to 120 volts AC. I think that is against code in most jurisdictions.

-- John G.

You can't splice a 120 VAC cable in a buried conduit, however there is little problem with interference if the video cable is shielded. Code requires that the video cable be insulated against 120 VAC. Odd I know but it's true.

. . . . . . . .

Yes, shielded.

Wayne T. Watson (Watson Adventures, Prop., Nevada City, CA) (121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time) Obz Site: 39° 15' 7" N, 121° 2' 32" W, 2700 feet

"Depend upon it, there is nothing so unnatural as the commonplace." -- Sherlock Holmes, in "A Case of Identity"

Web Page:

I haven't done video, but I have put eithernet, phone and 240 volt in the same ditch. Both in different pipes, I fugured pipe is cheap, especially when it gives you a little spacing from the voltage. I put the 240 volt at

30", back filled about 10" and put the eithernet, phone and video at about 20". The eithernet and phone is working fine, but I have yet to try the video, it was cable TV. The 240 volt is a 100 amp service to my office, located 138 feet from my shop and transformer.

Not really what you asked, but I thought it might help. Like I say, plastic pipe is cheap, but the ditch is expensive. If you use a backhoe as opposed to a trenching machine, you even get 15 or 20" apart at the same depth. In my area code is 30" on the electric, and 24" on the phone.

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required