Adding panels, Can I add to the grounding ???

So I picked up 4 cheap panels that meet the specs of my current panels. Will add the to the top of my array where I have left the supports extended.
I was wondering if I can use the clamp bolts to add the grounding wire to the existing wire? I have a bunch I have salvaged off telephone pole grounds, I guess this is cool, I think I've always seen them use 2 on each combining with some space in between.
While I'm up there any suggestions about checking the continuity of the other grounding wires to the frame work of the existing panels?
I was wondering if I can use the clamp bolts to add the grounding wire to the existing wire? I have a bunch I have salvaged off telephone pole grounds, I guess this is cool, I think I've always seen them use 2 on each combining with some space in between.
While I'm up there any suggestions about checking the continuity of the other grounding wires to the frame work of the existing panels?
Home system 4000 watt (Evergreen) array standing, with 2 Midnite Classic Lites, Midnite E-panel, Prosine 1800 and Exeltech 1100, ForkLift battery. Off grid for @13 of last 14 years. 1000 watts being added to current CC, @2700 watts to be added with an additional CC.
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http://www.solar-electric.com/gbdbtsopagrl.html
They are holding up ok for now. A squirt of noalox wouldnt go astray maybe...
http://zoneblue.org/cms/page.php?view=off-grid-solar
My limited understanding of NEC is that equipment grounding conductors must be continuous, or if there is a splice the spice must be irreversible.
--vtMaps
vtmaps, I have 2 runs now from the panels joined with my run from my power center at the grounding rod, The power company uses these clamps on their power poles,
Attachment not found.
figured they would be fine, and I thought I had read something about continuous as well, maybe they consider these to make a continuous bond.
-Bill
What do I need to do at the grounding rod, restrict access to the clamp?
True and very good to always keep in mind. Offgrid and high up on the array Photowit has an excellent item for making the connection. I doubt a school bus full of 7 year old's with tools will be stopping outside his array. I would verify resistance at the new connection to the GEC and rod at this time.
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