Re: RF Ground

• To: tesla-at-pupman-dot-com
• Subject: Re: RF Ground
• From: Bert Hickman <bert.hickman-at-aquila-dot-com> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Mon, 22 Mar 1999 18:50:04 -0700
• Approved: twf-at-verinet-dot-com

Tesla List wrote:
> 
> Original Poster: Ben Ramsey <Ramsey-at-bellsouth-dot-net>
> 
> Hey guys,
> 
>     Thanks for all the input that my last inquiry brought.  Next question; I
> keep reading referances to an RF ground on the TC and I want to know how this
> should be built, wired or whatever.  I read that the coil should not be
> grounded with the house plumbing, but that is all that I know.  Thanks.
> 
> Ben
> "I pray every night that I will not be burned on the inside"- N Tesla

Ben,

Get a number of lengths of 8' groundrod at the local HW store (this it
typically copper-plated steel rod. Plan on using at least 1 rod per 1-2
KVA of power you'll be running. Pound these into the ground (renting an
air-hammer may make this easier), and connect them with #4AWG wire or
copper (aluminum can also be used) strapping to the base of your
secondary. This should also go to the center electrode of your 3-terminl
safety gap and to the center tap/case of your NST's. If you have very
dry or rocky soil, wet down the areas around the groundrods 1 hour
before firing to improve the ground connection.

-- Bert --

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