Which condition indicates fire involvement in two or more occupancies?

The indicator of fire involvement in two or more occupancies is fire involvement in multiple units. This condition clearly signifies that the fire is not confined to a single location, but rather affecting more than one area or unit within a building or complex.

When fire spreads between different occupancies, it poses significant challenges for firefighting efforts and increases the overall risk to life and property. Recognizing this situation early can help in deploying resources effectively and ensuring the safety of occupants.

While flames visible from the roof or smoke escaping from doors can suggest fire activity, they do not confirm that it is impacting multiple occupancies. Similarly, fire alarms going off might indicate a fire incident but do not specifically denote that multiple units are involved. Thus, clearly identifying fire in multiple units is essential for understanding the scope of the incident and responding appropriately.