Re: Another Power Supply Question.

NO. Do not tie the negative side of the power supply to chassis
ground. If you do you will get either 0 volts or very strange
results. Chassis ground is tied to earth ground through your
electrical outlet. It's there to keep you from getting shocked in
case a live wire or some other voltage happens to come into contact
with the case or chassis. Circuit ground is another ground altogether
and is left 'floating' as you call it.

Hope this helps,

Donald Brock

--- In CAD_CAM_EDM_DRO@y..., "Doug Harrison" <prototype@c...> wrote:
> Does the negative pole of the 5V supply in a PC power supply tie
to chassis
> ground or is the supply truly floating?
>
> Doug