An adapter apparatus (24, 80) for a respiratory therapy system (2) having a pressure generating device (4) and an electrical tube assembly (22) coupled to a patient interface device (8) includes a first end having a first port member (66, 94) structured to be fluidly coupled to the electrical tube assembly, a second end having a second port member (70, 88) structured to receive a flow of breathing gas generated by the pressure generating device, the adapter apparatus being structured to deliver the flow of breathing gas to the electrical tube assembly through the first port member, and a wire assembly having a first electrical connector (76, 104) structured to be electrically coupled to the electrical tube assembly and a second electrical connector structured to be electrically coupled to the pressure generating device in order to provide an electrical connection between the electrical tube assembly and the pressure generating device.
