In what scenario is it usually safest to fight a fire with an extinguisher?

Fighting a fire with an extinguisher is safest when the fire is manageable and the exit is clear. In this situation, a person can effectively focus on extinguishing the fire without being overwhelmed or trapped. A manageable fire indicates that it has not grown beyond control, allowing the extinguisher to be used effectively. Confirming that the exit is clear is crucial, as it ensures that the individual has a safe escape route should the situation escalate unexpectedly.

In contrast, scenarios where the fire is large and spreading fast present significant danger, as the fire may quickly overwhelm the person attempting to extinguish it. Being alone does not contribute positively to the situation; help may be necessary if the fire worsens or if injuries occur. Smelling smoke may indicate a fire, but it does not provide the context needed to assess whether it is safe to engage with an extinguisher. Thus, having a manageable fire and a clear exit is vital for making a safe and effective decision when facing a fire.