Is the second edition published yet? ARRL shows First Edition, Fourth Printing.
http://www.arrl.org/shop/Grounding-and-Bonding-for-the-Radio-Amateur/ wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Aug 23, 2021, at 8:27 PM, Jim Brown <[email protected]> wrote: > > On 8/23/2021 6:42 PM, James Bennett via Elecraft wrote: >> Per N.E.C. specs, I need to tie the ground system at the shack entrance to >> the house utility ground - probably 150’ or so from the coax entrance panel >> to that Ufer spot. > > There's a bit more to it than that. In essence, more grounds are better and > you can have as many as you want, but they must ALL be bonded together. That > includes power, telco, CATV, shack, etc. > > My electrician said that a #4 solid copper wire running from the coax > entrance panel to the Ufer point would suffice for keeping the grounds > together. Looking at the ARRL book on grounding and bonding, it appears that > what I’m going to do is to install a “perimeter ground.” > > Not quite -- it would be a perimeter ground if that #4 (yes, big enough) were > connecting driven rods spaced at least 1.5 - 2x their length around the > perimeter. > > Do you have the first or second edition of the book? Ward and I worked > through some of the issues involved with situations like yours for the second > edition. > > 73, Jim K9YC > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
