When dealing with a galley fire, turning off power is essential for which reason?

Turning off power is essential to avoid electrical hazards during a galley fire. In an aviation context, electrical equipment can potentially worsen the situation by supplying additional energy that may fuel the fire. If the power remains on, there is a risk of electrical fires igniting or worsening an existing fire by causing sparks or short circuits, complicating firefighting efforts and increasing danger to passengers and crew. Thus, safely de-energizing electrical systems is a crucial step in managing a galley fire effectively.

The other options do not address the immediate safety concern associated with electrical hazards. While preventing re-ignition is a necessary consideration, the primary focus when initially addressing a fire should be on ensuring the area is safe to avoid further hazards. Seeing the fire better or keeping the area dark does not aid in the firefighting process and can lead to confusion or danger.