On 12/30/2010 12:16 PM, Jim W7RY wrote:
> At least as far apart as the ground rod is long. 8 foot rod, space them at
> least 10' apart.
When I installed the system here...some years back, the general wisdom
was twice the rod length. IOW, 16 foot spacing for an 8' rod.
73
Roger (K8RI)
> 73
> Jim W7RY
>
>
> --------------------------------------------------
> From: "Jim Hoge"<knowkode@verizon.net>
> Sent: Thursday, December 30, 2010 8:36 AM
> To: "towertalk"<towertalk@contesting.com>
> Subject: [TowerTalk] ground rod spacing
>
>> What does the NEC have to say about the number of ground rods used in a
>> single
>> point grounding system where the building is surrrounded by a ground wire?
>> Is
>> there a required minimum and maximum spacing between the ground rods? Is
>> there a
>> required depth the perimeter wire is to be buried?
>>
>> Tnx es 73,
>> Jim W5QM
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