Electrical space heaters are prohibited unless they are approved for use and inspected by your facilities management department.
Space heaters are not permitted in hospital sleeping areas or in laboratories containing flammable liquids or gases.
The heating elements in the space heater cannot exceed 212 degrees Fahrenheit, and cannot be exposed elements. Heaters with hot elements, even with guards, are not allowed. The approved heater must be connected directly to an outlet without the use of an extension cord.
Reference: NFPA 101 Life Safety Code. National Fire Protection Agency. Paragraph 18/19.7.8. Quincy, MA: 2006.