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.
In CASE 3, two sheets of aluminum foil are used to divide the enclosure into three 1/2 spaces. CASE 1, UNINSULATED WALL SPACE. The surfaces of ordinary building materials, including ordinary bulk insulation have a radiation or emissivity rate of about 90%, a heat ray absorption rate of over 90%.