Fire Extinguisher Types, Maintenance, and Training

Learn about types of fire extinguishers, maintenance requirements, and how to get training.

Types of extinguishers

An "A-B-C" fire extinguisher can be used on all types of fires. Other types of extinguishers work only on certain types of fires. Check the chart below to see extinguishers that work on various types of fires.

Type of fire Types of extinguishers to use
Class A:
Ordinary combustible materials, such as wood, cloth, paper, etc.
  • "A-B-C"
  • Pressurized water
Class B:
Flammable liquids, such as oil, gasoline, kerosene, etc.
  • "A-B-C"
  • "B-C" dry chemical
  • Carbon dioxide
Class C:
Presence of energized electrical circuits (e.g., electronic motors, electrical wiring, etc.)
  • "A-B-C"
  • "B-C" dry chemical
  • Carbon dioxide
Class D:
Reactive metals
  • D extinguishers only

Monthly inspection requirement

Departments must assign an individual to inspect monthly the extinguishers in or adjacent to the department's facilities. Recommended personnel include:

Use the Fire Extinguisher Inspection Checklist to perform a monthly inspection of your department's extinguisher(s).

Testing

All extinguishers need to be serviced and tested every 6 years and also when:

  • The fire extinguisher has been used
  • The pin has been pulled
  • The gauge is not in the green (or proper pressure area)

Extinguishers must be inspected by a licensed fire extinguisher maintenance contractor once a year in the intervening 5 years.

Service and placement

To request service, additional extinguishers, or replacements, contact:

  • On campus: See How to Request Facilities Management Services
  • At UCSD Medical Center-Hillcrest:
    Facilities Engineering Help Desk, (619) 543-6454
  • At UCSD Medical Center-Thornton:
    Facilities Engineering Help Desk, (858) 657-6400

Fire extinguisher training

Fire extinguisher training is available to all employees.