If there is an imminent danger, in addition to any other action you take, you should telephone OSHA. Your Right to An Inspection Often, OSHA prefers to investigate complaints by faxing a letter asking about the hazard to the employer, rather than by conducting an on-site inspection.
(November 2014) A Totally Enclosed, Fan-Cooled (TEFC) electric motor is a type of industrial electric motor with an enclosure that does not permit outside air to freely circulate through the interior of the motor. An external fan blows outside air over the frame of the motor to cool it.
It's all there... heating and cooling... tucked out of the way behind a valance enclosure where the wall meets the ceiling. No fan-coil units sticking the windows or walls to mar the beauty of your building. No ventilators funnelling hot and cold air into the faces of your tenants and their guests.