An arc fault detector which includes a filter which receives an input signal and filters the input signal, an amplifier which amplifies a signal output from the filter, an analog-to-digital converter disposed to receive the amplified signal from the amplifier and convert the amplified signal into a digital signal, and a processing unit responsive to computer executable instructions when executed thereon that receives samples of data associated with the digital signal and performs an arc detection algorithm on the data using fuzzy logic.
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