Fire extinguishers are often the first line of defense when a fire starts. But simply having one nearby is not enough. It must be approved, properly sized, clearly labeled, and ready to work when needed. As of January 16, 2026, California updated its fire extinguisher regulations for vessels to align with federal Coast Guard standards and clarify important equipment, labeling, and maintenance requirements.
These California updates help ensure fire extinguishers are compliant, identifiable, and capable of protecting people and property during an emergency.
Fire extinguishers must now be Coast Guard approved
One of the most important updates in California’s regulation is the requirement that applicable fire extinguishers must be approved by the U.S. Coast Guard. This ensures extinguishers meet strict marine safety standards and are designed to perform reliably.
Approved extinguishers must:
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Be Coast Guard approved marine-type extinguishers
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Be properly classified for their intended fire risks
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Include official approval and identification markings
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Meet federal marine fire protection standards
This creates consistency between California regulations and federal safety requirements and helps ensure equipment reliability.
Clear definitions for hand-portable and semi-portable extinguishers
California’s updated regulation also clarifies extinguisher size classifications to ensure the correct equipment is used based on fire risk and vessel size.
Hand-portable extinguishers must meet minimum capacity requirements, such as:
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At least 2 pounds of dry chemical, or
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At least 4 pounds of carbon dioxide
Semi-portable extinguishers are larger systems designed for higher risk areas and typically include:
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Larger extinguishing agent capacity, such as 35 pounds of dry chemical
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Hose and nozzle systems for extended reach
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Coverage for larger or enclosed spaces
These requirements help ensure fires can be controlled effectively and safely.
Labeling and identification requirements have been strengthened
California now requires fire extinguishers to include permanent labels and nameplates that clearly identify the equipment. These labels must show:
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Manufacturer name
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Rated capacity
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Approval information
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Coast Guard approval number
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Proper extinguisher classification
This improves inspection accuracy, compliance verification, and equipment traceability.
Minimum extinguisher quantities are now clearly defined
The updated California regulation also clarifies how many extinguishers must be present depending on vessel size and fire risk.
For example:
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Boats under 16 feet must carry at least 1 extinguisher
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Boats between 26 and 40 feet must carry at least 2 extinguishers
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Boats between 40 and 65 feet must carry at least 3 extinguishers
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Larger vessels and machinery spaces require additional protection
This ensures proper fire protection coverage based on hazard level.
Maintenance and accessibility requirements are reinforced
California’s update reinforces that fire extinguishers must be ready for immediate use. Extinguishers must be:
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Readily accessible
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Fully charged and operational
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Free from corrosion, damage, or obstruction
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Equipped with intact safety pins and pressure indicators
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Properly maintained and inspected
Routine inspection and maintenance help ensure extinguishers will function properly during emergencies.
Certain outdated extinguishers are no longer acceptable
The updated California regulation prohibits older extinguishers containing toxic vaporizing liquids, such as carbon tetrachloride. These extinguishers are no longer considered safe or compliant.
Older extinguishers may remain in service only if they are:
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Properly maintained
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In good working condition
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Safe and functional
However, any new extinguisher installations must meet modern approval and labeling standards.
Why this California update matters
California’s updated fire extinguisher regulation strengthens equipment standards and reinforces the importance of proper fire protection planning. Approved equipment, correct sizing, proper labeling, and regular maintenance all play a critical role in effective emergency response.
Colorado Safety Supply Company provides approved fire extinguishers, inspection services, and fire safety training to help organizations maintain compliant and effective fire protection programs. For assistance with fire extinguisher equipment or training, contact Colorado Safety Supply Company at 303-537-5832.
Having the right equipment and proper training helps ensure fires can be controlled quickly and safely when every second matters.
