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A comment on Never trust a system that seems to be working. Parent comment

Re:Never trust a system that seems to be working by blep_ on Monday October 17, 2022 @07:58PM (#33241211)
That sounds very complicated. What advantage does it have over wiring the two in series and having an open circuit indicate an obstruction?

edit: it gets you protection against one of the two failing closed, duh

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