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Old 09-19-2010, 10:43 AM   #1
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Residential underground wiring

Greetings, and thanks to all who read this post and give it consideration.

We have a 150' driveway. At the end of the driveway, our lampost has recently fallen over due to corrosion at its base.

I have dug around the remaining portion of the post to find the wires leading to it from our house were never placed in any type of conduit. The wire is the 2-conductor, white insulation wire that one typically sees running through the walls of a house. Also, the wire is only abount 8" deep. I can also see cuts in the insulation that bare the copper wire.

I am not an electrician, but I don't have to be to sense this just ain't right. Question is: How big of a problem is this? Can I get by just replacing the lampost or are there strong recommendations for running new wire in conduit?


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Old 09-19-2010, 11:16 AM   #2
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If the cable is UF cable there are splice kits available that would allow you to add a length of cable to the existing one. If it's not UF cable a total replacement might be necessary.


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Old 09-22-2010, 06:34 AM   #3
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Thanks Brric

I did find some splice kits and will finish the lampost installation this evening.

Thanks again,

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Old 09-22-2010, 06:51 AM   #4
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It sounds like you have romex underground, which is a big no-no. UF wire has a very thick rubber insulation and is rated for direct burial, and is usually gray. Romex normally has a white or yellow jacket on it. Can you read any of the lettering on the wire?

Also - in most areas this wire needs to be 18" deep, or 12" if it is GFCI-protected.

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