autotransformer dimmer References autotransformer dimmer electronics Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: stagecraft/ DimmersThe autotransformer dimmer controls current flow by varying the voltage in the circuit. It was rarely used to control stage lights, but at the turn of the 21st century it was still being used in some theatres to control house lights. Read MoreThe autotransformer dimmer controls current flow by varying the voltage in the circuit. It was rarely used to control stage lights, but at the turn of the 21st century it was still being used in some theatres to control house lights. Read More