| 摘要 |
A warning light device for blown fuse caps having a photosensitive circuit mounted inside an adapter casing that mounts over and is exposed to the fuse element of the fuse caps. The device is powered by batteries contained inside the casing and includes battery energy saving circuits in the form of an intermittent circuit or a low duty cycle circuit that is suitable to provide a visual indication periodically to the user. Light emitting diodes are used as a low power consumption indicating light.
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