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  1. robertedlund

    IEC 92-202 Fuse question

    Hi all I got so much help here before so I post another issue I have. Chapter 6.4.1 in 92-202, second paragraph. "Discrimination requires: 1/ only the protective device nearest to the fault shall open the faulty circuit. 2/ the protective devices shall be capable of carrying, without...
  2. robertedlund

    IEC 92-305 Battery question

    Hi all, I need hints on how to understand chapter 6.2 in the IEC 92-305. Its about batteries. The first sentence reads:" When a battery is floated on the line with a resistor in series, all connected apparatus shall be capable of withstanding the line voltage to earth or be...

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