[TenTec] Size of Ten-Tec grounding bolt

Bob McGraw rmcgraw at blomand.net
Sun Aug 2 14:01:16 EDT 2020

You should not consider any internal grounding method for lightning 
protection.   That MUST be done on each feed-line and rotor cable 
outside of the structure.  The purpose of connecting each piece of 
equipment to a common point is to assure each piece is always at the 
same voltage potential.  My common point is my station power supply.   
Do not rely on coax shield and connections for this purpose.


Bob, K4TAX

On 8/2/2020 10:48 AM, Byron Cordes via TenTec wrote:
> Hi
> Are they not all ready bonded together with coax shield?
> Might make some ground loops by adding straps.
>   Not your question think I would go with 1/4 holes and use washers with a little antiox stuff on connections.
>     Lightning and AC grounding should be your goal.
> Remember more than one ground rod on AC or Antenna ground rod  should be bonded together with a wire running outside of house.
> 73s Byron AC9PA
> Sent from my iPad
> On Aug 2, 2020, at 8:35 AM, Winston <jones_winston at bellsouth.net> wrote:
> I’m planning on buying some tinned copper grounding straps to tie together the ground lugs on my equipment.
> I have an Omni VII, Jupiter, 229 tuner. They all seem to have the same size grounding bolt, but nowhere in the manuals can I find the size.
> What size lug should be on the braids’ ends? 1/4” or 3/8” or something else?
> 73, Winston K4CWQ
> Sent from my iPhone
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