Systems

Compare conventional, addressable, and analog fire alarm systems. Learn how each works, inspection differences, common deficiencies, costs, and upgrade paths.

How to inspect and test fire alarm voice notification/evacuation systems per NFPA 72 — speaker placement, intelligibility testing, and common deficiencies.

How to inspect foam fire suppression systems — NFPA 11 requirements, foam concentrate testing, proportioner checks, and discharge testing procedures.

Complete winterization guide for fire protection systems — how to prevent freeze damage to sprinklers, fire pumps, and standpipes, plus inspection checklist for cold weather readiness.