Live wire sticking up out of yard

trancefusionApril 11, 2011

I was doing some gardening, digging only a few inches, when I came across a piece of electric wire. I figured it was dead wire and tried to pull it. It seemed pretty well stuck so I just went to push the end back into the wet soil when it make a pop sound and smokey smell.

The wire says "UF" on the side. A neighbor told me that the previous homeowner used to have a lamppost at that location.

So.. what do I need to do in order to safely terminate this wire? Thank you.

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DavidR

This is a hazard, so you are right to resolve the situation.

Trace the cable back to where it's fed inside the house, and disconnect it at that point. Ideally you'd remove the cable entirely. However, once it's disconnected, you can abandon it in place by cutting it off short enough that it can't be reconnected.

If you can't find where the cable terminates inside, call a pro for help.

    Bookmark   April 12, 2011 at 1:23AM
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Ron Natalie

If it's buried that shallowly, you can probably just get a good grip on it and rip it up. I'd look around the exterior of the house for possible emergence of the wire (either bare or through some ersatz piece of conduit or a pipe). Possibly it's tapped into an existing exterior light or receptacle.

    Bookmark   April 12, 2011 at 8:22AM
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trancefusion

I don't think that the wire itself is buried that shallow, it seems to be coming up vertically - this is just the end point where the post used to be. I can't find where it exits the house.. There aren't any light switches that don't do anything so I figure it was either an automatic post or tied in with the other exterior lights.

Is it possible just to terminate the wire in some sort of underground rated box?

    Bookmark   April 12, 2011 at 9:25AM
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jaansu

I wouldn't want to handle any wire if I didn't know the power was off. Perhaps that pop you heard tripped a breaker or blew a fuse. If you know how, check your circuit box and that may identify the branch for you. If so, put in a new fuse or throw the breaker and see if the line is now live by using a device that senses an electric field (HD). Now you know how to deactivate the line and you can safely terminate it by whatever means seems safest to you. I hope you might be able to trace it from the circuit box to where it heads off through a wall into the yard and cut the line at that point rather than living a live wire in the yard to hurt someone in the future.

If you are unsure of any of this, call a pro. No sense in killing yourself over a couple of hundred dollars.

    Bookmark   April 12, 2011 at 9:45AM
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marknmt

Uh, how can a live wire be grounded in the soil and not either throw the circuit breaker or run up a huge power bill?

    Bookmark   April 13, 2011 at 9:02AM
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brickeyee

"Uh, how can a live wire be grounded in the soil and not either throw the circuit breaker or run up a huge power bill?"

At 120 V the soil is often not that good a conductor.

Unless you manage to have enough current flowing to trip a breaker (normally at least 15 A, and possibly 20 A) the breaker is not going to repsond since no over-current condition exists.

The same for power dissipation.

Even if you had 10 A leakage, that is only 1,200 W, or 1.2 kW.
While you might see a rise on your bill since you are using 28.8 kW-hr per day, depending on the electric rate it might not be that high.

At $0.07 per kW-hr it is only about $2 a day, or about $60 a month.

Many bills wander around that much from heating and cooling.

To even pull 10 amps requires a resistance of 12 ohms, not likely long term.

If a GFCI device was present the odds are it would have tripped since they are sensitive down to about 6 mA (0.006 A) of current imbalance.

    Bookmark   April 13, 2011 at 9:21AM
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marknmt

Thanks, Brickeye.

    Bookmark   April 13, 2011 at 10:07AM
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rvsunn

Say, could he very carefully (with rubber gloves, not standing in water -etc) hook a light bulb or tester to the wire and turn off breakers till he found the right circuit?

    Bookmark   April 13, 2011 at 10:55PM
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Ron Natalie

A non-contact tester would probably be easiest. While these aren't foolproof, they'll be good enough to tell when the right breaker was tripped.
You can get them for under $20 at the home center.

    Bookmark   April 14, 2011 at 8:24AM
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ionized_gw

How someone could have left a land mine like that in a yard and sleep at night is beyond me.

    Bookmark   April 15, 2011 at 2:17PM
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