A circuit board is used with a duplex receptacle electrical outlet. The circuit includes a first connecting pole configured for placement within a first wire reception hole of the duplex receptacle electrical outlet. The first wire reception hole is in electrical contact with a hot wire connection of the duplex receptacle electrical outlet. A second connecting pole is configured for placement within a second wire reception hole of the duplex receptacle electrical outlet. The second wire reception hole is in electrical contact with a neutral wire connection of the duplex receptacle electrical outlet. A control circuit is connected to the first connecting pole and the second connecting pole.