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.
Attic fan. A powered attic ventilator, or attic fan, is a ventilation fan which regulates the heat level of a building's attic by exhausting hot air. A thermostat is used to automatically turn the fan off and on, while sometimes a manual switch is used. An attic fan can be gable mounted or roof mounted. Additional vents are required to draw in fresh air as the hot air is exhausted. Attic fans are typically used in warmer months, when temperatures in an attic can exceed 120 Â°F. A fan may be installed in an