Why does the electrician de-energize all electrical equipment in a fire-affected area?

De-energizing all electrical equipment in a fire-affected area is primarily done to protect personnel and prevent accidents. In the aftermath of a fire, there is a significant risk that the electrical systems could be compromised, leading to potential hazards such as electric shock, short circuits, or further fires. By de-energizing equipment, electricians ensure that the area is safe for responders and any personnel who may need to enter to assess damage or conduct repairs. This precaution minimizes the risk of injury and allows for a safer environment to address the aftermath of the fire, aligning with standard safety protocols in emergency scenarios.

De-energizing equipment is not merely a routine procedure or an effort to save on energy costs. Instead, it is a crucial safety measure in the context of a fire incident.