System and method for selectively controlling and monitoring receptacles and fixtures connected to a power circuit in a building

In a building having multiple circuits wired to a central circuit breaker, a system for adding controls to a targeted circuit from among said multiple circuits, said system comprising:

• a plurality of outlet assemblies, wherein each of said plurality of outlet assemblies has a receptacle, an on/off switch, and a selectively changeable outlet identification code, wherein said on/off switch is configurable between an on condition and an off condition;
• an electrical power cable extending from said central circuit breaker to said plurality of outlet assemblies, wherein said electrical power cable supplies electrical current to said plurality of outlet assemblies, and wherein said electrical current is connected to said receptacle in each of said plurality of outlet assemblies only when its said on/off switch is in said on condition;
• and
• a control unit coupled to said electrical power cable at a point between said plurality of outlet assemblies and said central circuit breaker, wherein said control unit generates an addressed control signal within said electrical power cable, wherein said addressed control signal selectively controls said on/off switch in any of said plurality of outlet assemblies that have said outlet identification code that is addressed by said addressed control signal.