[GreenKeys] Grounding and GFI's

[Buzz]

Then there's the problem of a grounded neutral.
http://www.softcom.net/users/buzz/temp/Linenoise.html

Buzz


On Sun, 13 Feb 2005 10:37:49 -0500, you wrote:
>Hi
>
>GFI's are a significant problem when it comes to older gear. Since they 
>trip out on minor current imbalances they are really designed to work 
>with gear that has total isolation of the AC line to ground. The other 
>thing that they depend on is a single path back to ground *through* the 
>GFI. It's this second requirement that often gets messed up. Cross 
>grounding gear between different GFI'd circuits is a no-no. Running a 
>grounded antenna to the chassis of a GFI'd radio is also against the 
>rules. If the Model 28 is on one GFI and the computer is on another GFI 
>that's a problem if there is a direct ground connection between the 
>28's keyboard and the frame ground on the RS-232 input on the computer.