Top Fire Safety Myths Debunked: What Most People Get Wrong About Fire Extinguishers in the UK
Despite regulations and fire safety training, many UK businesses and homeowners still believe dangerous myths about fire extinguishers and general fire safety. Misunderstanding these key areas can lead to injury, property damage, and non-compliance with UK fire regulations.
MYTH 1: “All fire extinguishers can be used on any fire.”
FACT:
There are five main types of fire extinguishers in the UK, each suited to different fire classes.
| Extinguisher | Fire Classes | Do Not Use On |
| Water | A | Electrical, liquid fires |
| Foam | A, B | Live electricals |
| CO₂ | B, Electrical | Confined spaces |
| Dry Powder | A, B, C | Indoors (residue hazard) |
| Wet Chemical | F (some A) | Electrical or metal fires |
Using the wrong extinguisher (e.g. water on an electrical fire) can make the fire worse or cause electrocution.
MYTH 2: “You don’t need training to use a fire extinguisher.”
FACT:
In the UK, businesses are legally required to provide fire extinguisher training to staff under the Regulatory Reform (Fire Safety) Order 2005.
Even though extinguishers seem simple, users must:
Search tip: fire extinguisher training UK, how to use fire extinguishers safely
MYTH 3: “If the fire’s small, I should always try to put it out.”
FACT:
Not always. Fire services recommend only using extinguishers when:
If there’s any doubt, evacuate and call 999 immediately. Never put yourself at risk.
MYTH 4: “CO₂ extinguishers are perfect for all electrical fires.”
FACT:
CO₂ extinguishers are ideal for electrical fires, but:
In some settings, water mist or clean agent extinguishers may be safer alternatives.
MYTH 5: “Once used, an extinguisher is still usable.”
FACT:
Even if partially discharged, an extinguisher must be recharged or replaced. It’s considered non-functional once:
Under BS 5306-3, extinguishers must be serviced or replaced by a qualified technician after use.
MYTH 6: “Extinguishers only need checking once a year.”
FACT:
UK regulations require:
Failing to perform regular checks can result in non-compliance, fines, and equipment failure during emergencies.
Search tip: fire extinguisher servicing UK, BS 5306 maintenance
MYTH 7: “Electrical fires are a separate class of fire.”
FACT:
In the UK, “electrical fires” are not a standalone fire class.
Once the power is off, the fire is reclassified based on the fuel source (e.g. Class A if cables are burning). This affects which extinguisher should be used.
MYTH 8: “You only need extinguishers to meet legal requirements.”
FACT:
UK law (Fire Safety Order 2005) also requires:
Just having extinguishers on-site doesn’t mean you’re compliant.
MYTH 9: “Dry powder extinguishers are suitable for all premises.”
FACT:
While versatile, dry powder extinguishers:
They are best used in:
Final Thoughts: Know the Facts, Stay Safe
Understanding fire extinguisher facts vs. fiction is critical for legal compliance and personal safety. Whether you’re a homeowner, employer, or landlord in the UK, accurate fire safety knowledge helps protect lives and property.
