06-14-2013, 06:12 PM
It is in many designs.
The reason is because it is between the Rectifier's negative and the GND, and the rectifier's negative is ALWAYS THE MOST NEGATIVE POINT in any schematic, so everything else is positive relative to it, and so is the Chassis.
The reason is because it is between the Rectifier's negative and the GND, and the rectifier's negative is ALWAYS THE MOST NEGATIVE POINT in any schematic, so everything else is positive relative to it, and so is the Chassis.