[Elecraft] Wrist strap / mat grounding

[Tim Havens]

Yes well said Don,
Ken this is a very unsafe condition to have two ground points which are not
tied together.  The potential between the two can be deadly in the event of
a fault.I know first hand from previous experience that this is true :-(

Be safe!  And be sure you understand why this NEC code is SO important.

Tim (NW0W)

On Tue, Sep 1, 2009 at 6:37 AM, Don Wilhelm <w3fpr at embarqmail.com> wrote:

> Ken Kopp wrote:
> > Mine goes to the station ground buss ... 2" wide CU
> > strap ... that's connected directly to a number (12)
> > of 8' ground rods that are all bonded together with #8
> > CU wire.  There is no connection between this ground
> > system and the power company's entrance ground.
> >
> A ground rod that is not connected to the electrical utility entry
> ground in in direct violation of National Electrical Code requirements.
> For the safety of yourself and others in your household, please add the
> missing wire.  If a fault condition happens in your house wiring that
> causes current to be carried on the 'green wire ground' conductor, the
> potential between your extra ground and anything connected to the 'green
> wire ground' can become quite high and anyone in contact with both can
> become a conductor.
>
>
> 73,
> Don W3FPR
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Tim R. Havens
1232 Pine Street
Leadwood, MO 63653
mobile: 573.915.2081
home: 573.747.4879
ham radio callsign: NW0W