This deluxe telescopic wand has internal electrical circuits and provides the quick disconnect feature both at its top and bottom. When the wand is attached between the electric hose and powerbrush, the electrical connections are made automatically. This provides electric to the powerbrush without having any external cords between the cleaner and powerbrush. This new SET 220 wand with its internal wiring is designed to be used only with the direct connect power nozzles, including;  SEB 217, SEB 226, SEB 228, and the SEB 236.