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.
Totally Enclosed Fan Cooled (TEFC) â A frame-surface cooled motor equipped for self exterior cooling by means of a fan or fans integral with the motor but external to the enclosing parts. Totally Enclosed Non-ventilated (TENV) â A frame-surface cooled motor which is only equipped for cooling by free convection.