We can service, repair, or upgrade your EDI lighting control system. Electronics Diversified, Inc (EDI) was a leading manufacturer of high performance theatrical lighting and controls products including high density dimmer racks, protocol devices, and a complete line of power distribution for live performance, religious and performing arts facilities, and other demanding applications. In July 2009 Cooper Controls Ltd. announced that it has entered into a technology and marketing agreement with Electronics Diversified, Inc (EDI). Under the terms of the agreement, Cooper Controls has acquired various IP and technology assets. EDI went out of business in 2011. On November 30, 2012, Eaton announced its completion of acquisition of Cooper Industries. Knight Sound & Lighting continues to service existing EDI systems as well as offers retrofit solutions to upgrade from EDI to the latest and greatest technologies.