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Hey, I was trying to switch a ground wire on a usb cable on and off and I saw a diagram where they use an npn transistor, but they connected the base and emitter to the same ground with a 1k resistor on each and the collector is conected to the other side of the usb ground to close the circuit. Heres the image https://github.com/stooged/PS4-Server-900u/blob/main/Images/diag2.jpg I dont really know why, from the little I know it should only connect the emitter to ground and leave the base for the switching. It seems that it works so what am I not understanding here? Thanks for the help, searched on using a npn to switch ground, but couldnt find anything like this.