An illumination system, comprising: a light fixture including a driver coupled to a light source; a dimmer switch; and a dimmer switch interface, including: (i) a transformer having a first winding that is magnetically coupled to a second winding, the first winding being electrically coupled to the dimmer switch, and the second winding being electrically coupled to the driver of the light fixture, and (ii) a current source configured to power the transformer with an intermittent alternating current when the current source is energized.