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.
NEMA enclosure standard for electrical motors. The enclosures of electrical motors are standardized by NEMA (National Electrical Manufacturers Association) as: Ventilation openings in shield and/or frame prevents drops of liquid from falling into motor within up to 15 degree angle from vertical.