Portable Fire Extinguishers - Canada Training Course

Fire extinguishers are mounted across virtually every Canadian workplace, but their presence can create a false sense of security if employees do not understand their operational limits. A portable fire extinguisher is designed solely for an incipient-stage fire—a small, contained blaze (such as a trash can fire) that has just begun. Before attempting to use an extinguisher, workers must evaluate four critical criteria: the alarm has been raised, the fire is small, the correct extinguisher is on hand, and an unobstructed exit path is situated directly behind the operator. If smoke rapidly builds, visibility drops, or the fire fails to go out immediately, workers must evacuate to their designated muster point.

Understanding fire chemistry is essential, as using the wrong extinguishing agent can exacerbate a fire or cause severe reactions:

Class A: Ordinary combustibles (wood, paper, trash).

Class B: Flammable liquids and gases (gasoline, solvents, propane); water must never be used.

Class C: Energized electrical equipment (breaker panels, servers); requires non conductive agents.

Class D: Combustible metals (magnesium, lithium); requires specialized agents.

Class K: Commercial cooking oils and fats; requires wet-chemical agents.

When operating an extinguisher, employees utilize the P.A.S.S. method: Pull the pin, Aim low at the base of the fuel, Squeeze the lever smoothly, and Sweep side-to-side. In Canada, fire safety is linked with WHMIS (Workplace Hazardous Materials Information System). Section 5 of a chemical's Safety Data Sheet (SDS) outlines suitable and unsuitable extinguishing media for that specific material. Finally, because an extinguisher must be ready at a moment's notice, monthly visual inspections must be conducted to confirm unblocked access, operable pressure gauge readings (in the green), intact tamper seals, and zero physical corrosion or hose rot.

This program is available with English and French closed captions.