This simple circuit monitors the mains distribution box constantly and sounds an alarm when it
senses a high temperature due to overheating, helping to prevent disasters caused by any sparking
in the mains box due to short circuits. It also automatically switches on a bright white LED when
the power fails. The LED gives ample light to check the mains box wiring or fuses in darkness.
The circuit beeps once when power fails and again when power resumes [2].
senses a high temperature due to overheating, helping to prevent disasters caused by any sparking
in the mains box due to short circuits. It also automatically switches on a bright white LED when
the power fails. The LED gives ample light to check the mains box wiring or fuses in darkness.
The circuit beeps once when power fails and again when power resumes [2].
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