Acme Miami 9460 Dryer Booster- Booster for clothes dryers No wiring necessary&#44; just plug it in! Fully Automatic Operation. Features the PS-35 Pressure Switch mounted on unit completely wired to the 10-foot line cord. Auto operation with adjustable pressure switch wired to a 10&#44; 115 volt power cord. Ball bearing motor OUT of airstream. No lint on motor. Install next to dryer or anywhere in the line - Tested to CSA standard C22.2 113-M 1984