[time-nuts] Thunderbolt cabling questions

[Jim Lux]

Totally agree

On Jun 10, 2012, at 19:34, Chris Albertson <albertson.chris at gmail.com> wrote:

> On Sun, Jun 10, 2012 at 4:43 PM, Jim Lux <jimlux at earthlink.net> wrote:
> 
>> 
>> HOWEVER, your scheme is going to be tricky to pass muster with the
>> National Electrical Code.  Two aspects need attention:
>> You need to have a ground wire from the mast to the ground point
>> and
>> You need to have some form of ground of the coax shield at the point
>> where the coax enters the building.  (a "listed antenna discharge unit" is
>> the usual way).
>> 
> 
> 
> Yes, all true.   I didn't really want to right a book about it.  Yes there
> is flashing around the pipe.  It is handled the same is for other pipes
> that come up through the rook to vent plumping.   And yes you ground the
> pipe just like you ground an old off-the-air TV antenna mast and so on.
> My VHF (two and four meter) antenna and by HF wire antenna all have
> lightening arasters and big ground rod systems, and the ground rods are
> tried together an.
> 
> But you know what?  If you simply place an automotive "puck" type GPS
> antenna on your roof you have to do the same thing.  It must be grounded
> the same way, same lightening protection and so on.   So in the end you may
> as well put up a professional looking and permanent  steel mast.  It is not
> that much more work.
> 
>> 
>> Chris Albertson
> Redondo Beach, California
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