An interconnected heated patio stone and system are disclosed, the stone consisting of a durable, heat-transmitting upper layer, and an insulating lower layer, a heating cable running within the stone, and having two interconnections at the edge of the stone. The interconnection has a bracket to connect with the cable, a receptacle for joining electrically to a bridging connector, and an electrical linkage making an electrical connection available. Each stone is connected with another by a bridging connector, which contains an articulated wire, and has a basin and cap at each end for electrically joining, in a sealed manner, with the receptacle. The system consists of two or more stones interconnected using bridging connectors, the whole system also connected to a power source.