What caused the building fire that resulted in structural damage?

The assertion that electrical wiring from a mini-refrigerator caused the building fire leading to structural damage can be supported by understanding how electrical appliances can contribute to fire risks. Mini-refrigerators, like any other electrical appliance, can pose a hazard if their wiring is faulty or improperly installed. Issues such as frayed wires, poor connections, or even faulty components can result in overheating, which may ignite surrounding materials, ultimately leading to a fire.

This scenario underscores the importance of regularly inspecting electrical appliances and ensuring they are in good working condition. Proper maintenance, use of appliances according to manufacturer guidelines, and timely reporting of any signs of malfunction are crucial in preventing fires. In addition to potential wiring problems, mini-refrigerators may be placed in environments not recommended for their operation, further increasing the risk of fire.

The other options represent potential fire hazards but do not specifically relate to how the wiring of an individual appliance like a mini-refrigerator could lead to the incident described.