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Posted by Red Green on January 25, 2008, 9:04 pm
> James wrote:
>
>> I have to drill a 2 1/2 inch hole through an exterior wall, and I
>> know that it is possible that I could run into wiring. While I know
>> that I could turn this circuit off and drill away, I can envision
>> that it would be hard to access both ends of the 120 volt wiring if
>> my drill should cut a wire. (repairing would normally be easy, but I
>> don't know if I would have appropriate "slack" and/or if I could
>> get to both ends to do the repair. )
>>
>> Isn't there a gadget to allow one to locate the exact wiring location
>> in a wall ?
>>
>> Thanks for any tips !!
>>
>> James
>>
>>
>
> All the other answers are good, but here is another way:
>
> Determine exactly where the hole MUST be and mark that spot. Most of
> the wiring in your entire home will be right behind it. Now, spend a
> considerable amount of time figuring out how to put it in a different
> spot and mark that. Your main gas line will be behind the new
> location.
>
> Do this again to find your main water line and sewer stack.
>
> After you have located every utility in your home with this method,
> and have selected a new location (which will require you to completely
> rearrange all of the furniture in your living room), you will find
> some sort of engineered wood support with a flitch plate made of some
> impenetrable metal from another planet.
>
> After you have successfully gotten through that with a cutting torch
> (which compromised the structural integrity of your building and
> started a smoldering fire in the stud cavity that won't burst into
> flame until after you have left for the movies) you will go outside to
> find that somehow you have drilled a hole completely through the
> engine block of your lawnmower.
>
>:-)
You SOB Robert! You lived next door to me. I looked around and thought no
one saw what happened.
>
> Seriously, you can buy a device that will locate live wires in your
> wall, and for a lot more money, you can buy one that will locate
> almost any wire in the wall, hot or not.
>
> http://tinyurl.com/29vxw9
>
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