Electric power to the Matthaei Building, Manoogian Hall and General Lectures will be shut off from 3 a.m. to 7 a.m. Friday, Dec. 4, while Detroit Public Lighting crews repair a cable.

Power is expected to be back on line by 7 a.m., said Mike Simmons of plant operations and maintenance in Facilities Planning and Management. The repairs are necessary to prevent the system from shutting down on its own and creating an emergency situation, Simmons said.