O.J. Mann Generators of CT is a division of O.J. Mann Electric Services, Incorporated. O.J. Mann Generators of CT is a full service generator dealer for Generac, Kohler, and Briggs and Stratton. We have been servicing customers throughout the state of Connecticut for over 40 years. O.J. Mann Electric Services, Incorporated is a commercial, residential, and industrial electrical contractor. O.J. Mann Generators of CT is a division of the corporate entity O.J. Mann Electric Services, Inc. A standby generator requires installation by a licensed electrician per State of Connecticut Electrical Code, your local town electrical inspector, and generator manufacturer.