Strike Rails:... power line ground wires

• To: "'Tesla List'" <tesla-at-pupman-dot-com>
• Subject: Strike Rails:... power line ground wires
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Tue, 17 Mar 1998 19:30:13 -0600
• Approved: tesla-at-stic-dot-net

----------
From:  Malcolm Watts [SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent:  Tuesday, March 17, 1998 2:18 PM
To:  Tesla List
Subject:  Re: Strike Rails:... power line ground wires

Hi Dave,

> From:  David Huffman [SMTP:huffman-at-FNAL.GOV]
> Sent:  Monday, March 16, 1998 9:58 AM
> To:  Tesla List
> Subject:  Re: Strike Rails:... power line ground wires
> 
> It is my understanding that lightning rods, and strike rails, protect in two
> ways. They provide a low impedance connection to ground. For a given
> current, dissipated power is low when the impedance is low. The second
> method of protection is charge bleedoff to dissipating local charge buildup.
> Am I right or am I wrong?
> Dave

I understand that a major mode of operation is to encourage a strike 
to the rod rather than to have the strike occur nearby. Some models 
use ionizing sources to assist.

Malcolm

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