Fire Extinguisher Monthly Inspection (NFPA 10)
Monthly extinguisher checks are required under OSHA 1910.157 and NFPA 10. This guide outlines the minimum steps to stay inspection-ready without overcomplicating the process.
Scope & Frequency
- Visual inspection: monthly (by staff)
- Maintenance/service: annually (licensed technician)
- Hydrostatic testing: per cylinder type (5–12 years)
Monthly Check: 5 Steps
- Extinguisher present at assigned location and unobstructed.
- Pressure gauge in green; no damage, corrosion, or leakage.
- Pull pin in place; tamper seal intact; hose/nozzle clear.
- Label/markings legible; mounting bracket secure; weight feels normal.
- Record date/initials on tag or log card; note deficiencies.
Recordkeeping (What Counts)
- Date of inspection and initials
- Any noted issues and corrective action
- Location/ID of the extinguisher
Common Violations to Avoid
- Blocked or missing extinguishers
- Broken/missing tamper seal or pin
- No monthly documentation on tag/log
Helpful Tools
Fire safety signs: extinguisher location and keep-clear signs built to stay legible on a wall for years. For a printable inspection log, see the Fire Extinguisher Compliance Guide.