This video reproduces an incident that internal wirings of an electric fan disconnected and sparked due to the aged deterioration.
The National Institute of Technology and Evaluation www.nite.go.jp/
【Explanatory note】
Internal wirings and power cords of electric fans used for a long time may deteriorate by repeated stress. Please stop using your electric fan when there is such a defect as that the blades don't rotate smoothly. We recommend you replace your old electric fan with a new one because deteriorated parts of old electric fans have been causing fires.
00:31 Spark
00:51 Ignition
*This reproduction was conducted under the supervision of professionals. Do not attempt. It is dangerous.
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