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To: "Tower Talk List" <>
Subject: Re: [TowerTalk] SECOND FLOOR SHACK
From: "Jim Brown" <>
Date: Wed, 12 Jul 2006 13:00:40 -0700
List-post: <>
On Wed, 12 Jul 2006 12:37:38 -0700, Bill Turner wrote:

>Make that two reasons, the other being AC mains safety. 

The green wire carried from the breaker panel to each branch circuit 
is what provides AC mains safety. If something fails inside the 
connected equipment that makes the chassis hot, the green wire 
provides a good enough connection to blow the breaker or fuse. In 
other words, the function of the green wire is to blow a fuse, and 
to make sure that anything a person can touch is at zero potential 
with respect to power. 

Jim K9YC


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