I'm not familiar with the electric specs of the USB connection, but couldn't the reverse current flow through the _data lines_ through the splitter ? If the gro

I'm not familiar with the electric specs of the USB connection, but couldn't the reverse current flow through the _data lines_ through the splitter ? If the ground lines of the computer and splitter drift apart because they are no longer connected, wouldn't the data lines be subject to a large potential difference ?