The Beelzebub Zone: Rare but predictable failure conditions that can result in accidental fires

@article{Bilancia2012TheBZ,
  title={The Beelzebub Zone: Rare but predictable failure conditions that can result in accidental fires},
  author={Louis F. Bilancia},
  journal={2012 IEEE Symposium on Product Compliance Engineering Proceedings},
  year={2012},
  pages={1-5}
}
This paper proposes the concept of an operational zone, gaps, where normal over-current safeties may not trip unless specifically addressed by design. The analysis concept justarose out of an investigation into a consumer product failure that resulted in a multimillion dollar fire loss. A simple and intuitive means was required to explain and present the failure concept to lawyers, judge, and jury. The presentation, developed as a trial exhibit, further suggested a way to understand the often… CONTINUE READING

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