Hydrostatic testing is a mandatory inspection that needs to be conducted either every 12 years or every 5 years, and the frequency of the test depends on the type of extinguisher.

• 5 Years: pressurized water, carbon dioxide, and wet chemical extinguishers
• 12 Years: dry chemical extinguishers - typically the type

Kitchen suppression system necessitates a biannual inspection, scheduled every six months, to ensure its continued functionality and safety compliance.

Exit and emergency lights mandate an annual inspection to confirm their operational readiness and adherence to safety regulations.

Fire extinguishers necessitate an annual inspection to verify their readiness and compliance with safety standards.

• In addition to annual inspections done by DMJ Fire Protection Plus, business owners should perform monthly visual checks and look for the following:
• Ensure the pressure gauge is within the operating range 
• The pull-pin is intact 
• Check for any signs of damage: leaks, dents, or physical damage 
• Double-check the date of the last inspection by a professional
  

Fire alarm systems should be inspected at least once a year, in accordance with the guidelines outlined in Chapter 14 of NFPA 72.

Carbon monoxide detectors need to undergo an annual inspection to ensure their continued effectiveness in safeguarding against this silent and potentially deadly gas.