Patent ID: 7254005
Filing Date: 2007-08-07
Classification: H01R

Abstract:
1. An AC plug comprising: a plug casing; prongs sticking out from the inside of the plug casing to the outside and configured to plug into an AC power outlet so that AC power can be supplied to an AC cord connected to the prongs inside the plug casing when the prongs are inserted into the power outlet; a discharge resistor and switch inside the plug casing and connected in series between the prongs, the discharge resistor discharging a residual charge across the prongs when the prongs are pulled out from the power outlet, the switch switching to an open connection state when the prongs are inserted into the power outlet, the switch switching to a made connection state when the prongs are pulled out from the power outlet and to pass the residual charge of one prong to the other prong through the discharge resistor.