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Automatic Fire Extinguishing Systems Laws and Regulations

Laws and Regulations for Automatic Extinguishing Systems (updated 05/01/2017)


Posted: April 1, 2017

The Fire Sprinkler Fitter Certification Regulation had been approved and is set to go into effect on July 1, 2017.

The following is a summary of the new regulation's key components and the anticipated impact on CALSAFE members who are performing sprinkler work.

This regulation will impact all who perform “installation” work on Water based fire protection systems.

They include:

Wet, dry, pre-action and deluge fire sprinkler systems, including small hose connections, standpipe systems, private fire service mains and their appurtenances, including hydrants and monitor nozzles, water spray systems, foam water systems, fire pumps, water storage tanks, low, medium, and high expansion foam systems, and water mist systems.

The only items that are excluded are:

One and two family residential sprinkler systems, underground water supply lines to the first joint or mechanical connection at the base of the system riser, and pre-engineered systems water-based fixed extinguishing systems (an example is a kitchen hood system)

Read Regulation Review | Read Regulation Brief



Office of the State Fire Marshal Fire Extinguisher License renewal requirement change. CALSAFE has received a number of phone calls and emails regarding notices sent to Licensees from the OSFM.

Fire Extinguisher Requirements

Do you know the fire extinguisher requirement for an Asphalt Kettle? If you were at the CALSAFE Annual Meeting you would have leaned the answer to this and many more extinguisher requirements that are not in Title 19 but in the California Fire Code. Read more about the requirements from the Fire Code you may not be aware of.”

Ask the Expert


Is Purple K Dry Chem the preferred extinguishers to put on Airfield Fuel trucks? We see many that come with White BC and I'd like to recommend replacement at the next hydro.

Regulations do not specify a specific agent for this application. Purple K does have superior knock down and firefighting ability on flammable spill fires. Your recommendation to “upgrade” to a better extinguisher for the hazard is reasonable. Be sure to confirm that the Air Field allows dry chemical to be used around the airplanes as well.


I've read under Amerex Tech Tip #5 that Water Mist type extinguishers are recommended for pool pump rooms or other areas containing chlorine-containing oxidizers. In the past we had used 5.5 BC extinguishers. I can't get a definitive answer from the local AHJ on what is and is not the best option or what will become the standard in the future. Do you have any info or recommendations that could help?

Pool Rooms and other areas that contain Oxidizers have always been challenging. 

The recommendation for Water Mist is to cover the requirement for Type A coverage while understanding there may be Live Electrical involved.  While the Oxidizers are not likely to burn they do influence and can cause other burning material to burn more freely. Be sure to take into account the need for Type B coverage. Also be sure, as always to consider EXITING when placing Fire Extinguishers.  

CALSAFE provided Tech Tips, are prepared by various associates of CALSAFE, are provided with the understanding that they are opinions, and are not to be considered official positon of CALSAFE, or any regulatory body or agency. You should ALWAYS refer to the AHJ (Authority Having Jurisdiction) for final determination.

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