The present application relates to a surgical light for illuminating an operating area, including a housing-like light body that accommodates at least a first and a second light unit and including a first power supply line that is electrically connected to the first light unit in order to feed electric current from a first voltage source to at least one light source of the first light unit, wherein the second light unit of the light body has at least one further light source and is connected to a second power supply line, that is separate from the first power supply line, by means of which second power supply line a second voltage source can be electrically connected to the second light unit.