US Patent 7744407 Modular circuit boxes and associated components

Disclosed is a modular circuit system for use in a wiring system. The modular circuit system includes a circuit box and a fitting. The circuit box includes fitting prong receptacles that are in electrical communication with ground, neutral and hot wires from the wiring system. The fitting includes a plurality of prongs configured for insertion into the fitting prong receptacles of the circuit box. The insertion of the fitting prongs into the fitting prong receptacles places the fitting in electrical communication with circuit box. The modularity of the circuit box and fitting permit the exchange of various fittings into the circuit box.