Who conducts inspections to validate an alarm installation in Illinois?

• A. The local authority having jurisdiction (AHJ), such as the building or fire official
• B. The alarm monitoring company
• C. The contractor's own inspector
• D. The state fire marshal

Answer: (A)

The local Authority Having Jurisdiction (AHJ) is the one who validates a fire alarm installation. In Illinois, the AHJ—typically the building or fire official in the municipality—issues permits, reviews plans, and conducts the final inspection to confirm the system complies with applicable codes (such as NFPA 72 and local amendments) and is safe for occupancy. This official sign-off provides the regulatory validation that the installation is properly installed and functioning.

The alarm monitoring company provides ongoing monitoring and testing for operation, but they do not authorize or validate code compliance. The contractor’s own inspector can verify workmanship during construction, but they do not have the authority to grant the official approval. The state fire marshal may oversee statewide rules and licensing, but final validation for a specific installation is carried out by the local AHJ.