> On a correctly built direct rectified power supply there
> will be ALWAYS
> neutral/ground hardwired to chassis ground.
> This can be forced by a two-pole mains relay which only
> gets energized with
> correct polarity on the wall plug.
> The "ground" side of the amp then will never be at 120V
> above ground.
Not if the device meets codes.
A neutral is not allowed to be connected to exposed chassis
or to the safety ground anyplace except at the mains panel.
73 Tom
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