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Re: [TCML] Optimum ground conductor



Jim Lux is right. The inductance of several feet of small wire is about 1 or 2 microhenries. The inductive reactance of this is an ohm or two. (X=2pi f L) Even a large coil has a pulse current of less than an amp, so the voltage drop would be at most a few volts. However, if you are jumping sparks from a grounded object to the top toroid, these sparks can have many amps of current which can create a big ground voltage at the end of a long ground wire. I can attest to this from personal experience.




I can't imagine I makes a huge difference.  Your secondary is wound with 1000s of ft of something small, so whether the 20 ft to the ground is 2/0 or AWG 16 isn't going to be a big deal.

On Mar 28, 2011, at 3:55 PM, "Reverend Fuzzy"<cmayeux@xxxxxxxxxxxxxxxxx>  wrote:

All seems to be functioning on my current SGTC, but I suspect my ground
May not have the optimum wire size.  In the collective knowledge of this
List, what size conductor should be used for connection to the ground
Rod, for a 3.5" SGTC, powered by a 7500v 60ma NST and a 25nf MMC ?
I suspect it should be a heavier gauge.
---
Reverend Christopher "Fuzzy" Mayeux
Pastor, MSB Ministries
Hattiesburg, MS

http://www.msbministries.org



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