Fire inspectors typically do the following:

• Search for fire hazards
• Ensure that buildings comply with fire codes
• Test fire alarms, sprinklers, and other fire protection equipment
• Inspect gasoline storage tanks and air compressors
• Review emergency evacuation plans
• Conduct followup visits to make sure that infractions do not recur
• Review building plans with developers  
• Conduct fire and safety education programs
• Maintain fire inspection files that may be used in a court of law
• Administer burn permits and monitor controlled burns

Fire investigators typically do the following:

• Collect and analyze evidence from scenes of fires and explosions
• Interview witnesses
• Reconstruct the scene of a fire or arson
• Send evidence to laboratories to be tested for fingerprints or accelerants
• Analyze information with chemists, engineers, and attorneys
• Document evidence by taking photographs and creating diagrams
• Determine the origin and cause of a fire
• Keep detailed records and protect evidence for use in a court of law
• Testify in civil and criminal legal proceedings
• Exercise police powers, such as the power of arrest, and carry a weapon

Forest fire inspectors and prevention specialists assess fire hazards in both public and residential areas. They look for fire code infractions and for conditions that pose a wildfire risk. They also recommend ways to reduce fire hazards. During patrols, they enforce fire regulations and report fire conditions to their central command center.