Refer to the risks associated with the spray application of flammable or combustible materials to ensure that your workplace complies with best standards for electrical and fire safety. Important guidelines for the handling of flammable liquids, the building of spray rooms, spray booths, and spray areas, as well as the spray application of coatings, are covered in NFPA 33, Standard for Spray Application Using Flammable or Combustible Materials. These regulations cover a variety of topics, including fire safety systems, electrical installations, and ventilation.