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A comment on Teardown of a PC Power Supply. Parent comment
However usually there is. For example, the device might need +5V or +3.3V as well.
Well you can't supply +5V and PSU ground as separate leads, because almost always multiple ground connections are internally connected in a device.
Thus that would mean the +5V rail gets shorted to (PSU) ground by the device.
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However usually there is. For example, the device might need +5V or +3.3V as well.
Well you can't supply +5V and PSU ground as separate leads, because almost always multiple ground connections are internally connected in a device.
Thus that would mean the +5V rail gets shorted to (PSU) ground by the device.