[TowerTalk] Tower grounding

[John Ammeter]

That's connected to the neutral conductor on the pole.  That way neutral 
is constantly the same potential as ground.

John (retired from electric utility) KE7JA
On 7/22/2013 1:23 PM, GALE STEWARD wrote:
> Interesting. I've seen utility companies in my area install new wood poles that had a coil of heavy copper wire stapled to the bottom of the pole before it was installed in the hole. The wire then ran up the pole a bit so that it was above ground level when the pole was installed. Don't know what, or how it was connected after that.
>
> 73, Stew K3ND
>
>
>
>
> ________________________________
>   From: David Gilbert <xdavid at cis-broadband.com>
> To: towertalk at contesting.com
> Sent: Friday, July 19, 2013 12:41 AM
> Subject: Re: [TowerTalk] Tower grounding
>   
>
>
> Yup.
>
> Although I can't find it anymore, I swear I saw a diagram in a code book
> that called for the 20 feet of copper wire to have a few wraps around
> the rebar in the trench before the pour.  Probably that was just to make
> sure that the wire didn't get displaced (pushed to the bottom of the
> trench) during the pour, but just in case I added some bronze pipe
> clamps along the run to affix the wire to the rebar.
>
> 73,
> Dave   AB7E
>
>
>
> On 7/18/2013 8:58 PM, Jim Lux wrote:
>> On 7/18/13 12:43 PM, David Gilbert wrote:
>>> I didn't say it wasn't possible to do so.  I said that the majority of
>>> residential Ufer grounds in the footing bring the ground wire up to the
>>> breaker panel from outside the footing.
>> That's the way virtually all the ones here in Southern California are
>> done, and it's done with a wire laid in the trench with the rebar
>> before the pour.  I'm going to guess that they don't do the clamp to
>> rebar is because it takes more stuff to carry on the truck and
>> probably takes longer AND it requires two different trades to work
>> together.
>>
>> If the rebar guys do their work, and then later the electrical guy
>> comes by and lays the wire in along side, it's just easier.  They have
>> a big old spool of the bare wire on the truck,
>>
>> The copper wire comes up through the concrete next to the conduits for
>> the underground utilities and winds up inside the garage wall, most
>> likely.
>> _______________________________________________
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