Locking AC mains cable connector, keyed and color coded (grey) for power-out, screw terminal assembly, for cable diameters 10-16 mm. The powerCON FXXB is a single phase (3 conductor) lockable power connector with Circuit Breaking Capability when mated with powerCON XX Series receptacles. It replaces appliance couplers wherever a very rugged solution in combination with a locking device is needed to guarantee a safe power connection.