[BC] thanks to the list re: grounding system advice.

[Dave Dunsmoor]

> I use several large bite type clamps. I've been told they are as good as
> welds.
>
> -D

    Initially, maybe. But even so, there isn't nearly as much surface area
connectivity between the ground rod and the associated ground cable as with
cadweld. Further, even though the points where the copper pieces are pressed
tightly against each other and this constitutes a more or less "gas-tight"
(oxygen free) zone, it will probably corrode to a point of degradation, or
failure. Later, more likely than sooner though.

> It really depends on the conditions. In a desert dry environment where
> moisture is not present, possibly.  In a wet/dry or all wet environment,
> unlikely. BTDT.  Nothing works like a molecular joined connection.
> Exothermic welding is just that followed closely by brazing/silver
> soldering.
>
> MM

    This I fully agree with, having re-done a few of the clamps, and also
having had occasion to dig up old cadwelded joints which were as solid as
new  - at the connection point between the rod and ground cable, even though
all copper was "weathered".

Dave Dunsmoor