Questions tagged [failure-mode]

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Logic circuit for making sure that only one of several signals are logic-high

simulate this circuit – Schematic created using CircuitLab I have a circuit as seen in the schematic above. It has 4 different output stages. Each one has an "Enable" pin. The user is able to ...
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3answers
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Why is conduit for 120V building power metallic?

I saw wire conduit being installed in a building, and it was metallic. Wouldn't you want to use an insulating material instead? What if the live wire sheath started to fail? It would short to the ...
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1answer
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Strange NTC behaviour: it goes open circuit when cooling down

My partner has a heater for heating wax that is used for waxing legs and other body parts. She told me it stopped working; it does not heat up anymore. When I opened the device and looked at it I ...
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Tools/Methodologies for failure mode effect or fault tree analysis (FMEA/FTA)

We have barely started the process towards medical device certification, and as part of that I am having a hard time wrapping my head around the appropriate way to construct a failure mode effect ...