Re: Much OT - No "practical" solution

Posted by Dan Romanchik KB6NU on Nov 26, 2007; 12:17am
URL: http://elecraft.85.s1.nabble.com/WARNING-WARNING-WARNING-was-ESD-recommendation-tp366973p366988.html

I did some Google searching and came up with the following:

http://www.iccsafe.org/cgi-bin/ultimatebb.cgi?
ubb=get_topic;f=11;t=001341

I think it's going to be a pain no matter what you do, but running  
the ground wire exterior to the building doesn't seem like a great  
idea to me.

73!

Dan KB6NU
----------------------------------------------------------
CW Geek and MI Affiliated Club Coordinator
Read my ham radio blog at http://www.kb6nu.com
LET'S GET MORE KIDS INTO HAM RADIO!



On Nov 25, 2007, at Nov 25, 3:20 PM, Ken Kopp wrote:

> My older home .... built in 1962 by an individual for himself ...  
> has only 2-wire Romex.  At least it's not
> single conductor "knob-and-tube wiring.  Nothing in the  
> house ...water pump, water heater, forced-air heat blower, etc. is  
> "three-wire". (;-(
>
> It's a 2-story structure and it's virtually impossible to rewire to  
> meet present-day electrical codes without tearing off the interior  
> wallboard and starting over.
>
> The only way I can see to fix the problem would be
> to drill completely through the wall to the outside at every outlet  
> and add the "green wire" on the outside of the building and return  
> the resulting "buss" to the entrance panel's ground.  A decidedly  
> "ugly" solution,
> even if painted to match the exterior color and doesn't
> solve the issue of outlets on interior walls.  I -have-
> replaced all outlets with "3-wire" types to avoid the usual cut-off-
> the ground-pin from household appliance
> plugs, but there's nothing connected to the round holes. (;-)
>
> Cutting groves in the wall board from each outlet down to the floor  
> and hiding the ground buss under the kick-
> board is possible but again, "ugly".  The walls have been painted  
> of course and the kick-boards are stuck to the wall by paint.  
> Removing the kick-boards would damage the wallboard and still  
> require its replacement.
>
> There seems to be no realistic solution ...
>
> I built my shack, garage and shop onto the house and they -DO- meet  
> all codes.  There is a dediacated breaker panel feeding this  
> addition and there are 17 ground rods on 2 acres, all bonded  
> together with #10 CU buss wire and tied to the RF and AC entrance  
> ground.  Two-inch
> CU strap runs inder the wall into the shack and along
> the back of the desk with 1/4" brass bolts with wing-nuts
> for each piece of equipment.
>
> I'm retired from an electric utility.
>
> 73! Ken Kopp - K0PP
> [hidden email]
> or
> [hidden email]

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