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Join Date: Feb 2008
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Ethernet Cable for Buried Conduit

02/26/2021 6:44 PM

What specification of Ethernet cable do I need to run through 130 feet of underground PVC conduit? (The conduit has not yet been installed.) It's for a keypad with intercom/video, between the driveway gate and the house. This is in Los Angeles, California, if that makes any difference.
Is there a NEC or other specification for this type of wiring?

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#1

Re: Ethernet cable for buried conduit

02/26/2021 7:28 PM
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#2

Re: Ethernet cable for buried conduit

02/28/2021 7:09 AM

Be aware that you also need to know what speed of cable (Cat 5, 5e, 6 etc.) you need.

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#3

Re: Ethernet Cable for Buried Conduit

03/01/2021 12:55 PM

Others have responded to the codes. I don't know about them.

If you are confident that the conduit will stay dry then whatever the code allows (and proper Cat5, Cat6, etc.) should be good. If there is risk of the conduit getting wet then you might consider gel filled cable. The "empty space" in a gel filled cable is filled with a gel to prevent water from creeping through the cable. You would need a conduit fault and some cable jacket damage for the water intrusion but both are more common than they seem like they should be.

Be sure to install sweeps and not elbows in the conduit. Make it as easy to pull cable as possible.

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