Lightning Arrestors [RE-wrenches]

[Drake Chamberlin - Electrical Energy]

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At 04:34 PM 08/11/2001 -0700, you wrote:
>List members,
>
>Doug Pratt wrote:
>
> > 3. Multiple ground rods in a single system are fine, but they MUST all 
> be connected
> > together.  If those connections are bare #8 wire in direct contact with 
> the ground
> > (not in conduit), then it's even easier for the lightning energy to 
> dissipate.
> >   So put in a ground rod at your PV array, put in a ground rod at the 
> base of your
> > wind tower, AND at each guy wire anchor, but HOOK THEM ALL TOGETHER 
> with buried
> > wire!
>
>Sometimes this is not practical when running long 150+' runs in from the 
>PV/ wind
>gennys. Are you saying you want 150' of #8 or #4 bare copper in the trench 
>with the RE
>delivery wires?


In this situation, the rods do not need to be bonded together in this 
way.   The locations are separate.  In the wiring for buildings, a ground 
rod is bonded to the neutral at the disconnect for the separate 
structure.  A separate conductor connecting the rods would create a 
parallel neutral path.

Drake

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