AVR-Chat

I'm sure lots of folks will have lots to say about this... but let me just ask a question of you first.

When you say "ground from the 100 VAC" do you mean "ground" or "neutral". i.e. Are you using a 3-pronged-ground-lug plug, or the more conventional two-pronged plug, which has no ground, only hot and neutral, and which may or may not be polarized(, and which, even if polarized, may be plugged into an outlet with hot and neutral reversed)

 - jim

On Mon, 24 Jan 2005 00:55:45 -0500
"Randy & Zonya Ledyard" <rledyard@bigfoot.com> wrote:

> Basic question about grounding here, couldn't find the answer on several
> schematics I looked at, so I thought I'd ask it here, so the experts can set
> me straight.
> 
> I putting together a power supply for my son, to power several of his guitar
> effects boxes, and I had a question about grounding.
> 
> This is a basic transformer/diode bridge/7809 regulator with filter caps
> circuit, running off 120 VAC (US)
> 
> Do I connect the ground from the 110 VAC to the ground on the DC side? If
> it's in a metal case, should the case be grounded to the 110 VAC side also?
> 
> 
> 
> 
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