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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