Appliance duplex input/outlet connector, 1/4" flat tab terminals. PowerCON TRUE1 TOP is a locking 20 A (16 A VDE) true mains connector for outdoor applications. It replaces appliance couplers wherever a very rugged solution in combination with a locking device is needed in order to guarantee a safe power connection. PowerCON TRUE1 TOP is a connector with breaking capacity (CBC), i.e. it can be connected or disconnected under load or live.