Hazardous Location Refrigerators and Freezers are designed to meet National Fire Protection Agency (NFPA) and OSHA guidelines for the refrigerated storage of volatile and non-volatile materials in Hazardous Locations, Class 1, Division II, Group C & D. All spark generating electrical components and connections (compressor, thermostat) are isolated and sealed in vapor-proof enclosures. Electrical wiring is hardwired for additional safety measures.Power cord is not included. Final power connections at site must be hardwired to meet local codes. These units are not intended for use in general clinical or research laboratories. See Flammable units.