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    Language lab

    FI/RCD-Schutzschalter (FI ??)

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    FI/RCD-Schutzschalter (FI ??)

    Comment
    RCD is English and is the abbreviation for Residual Current Device.

    But does anyone know what FI is an abbreviation of? Or in which language?

    I is the accepted symbol for current/Strom, so it occurs to me that FI could be a kind of shorthand for 'Fehlerstrom', but that's just a guess on my part.

    MTIA for any authoritative information.
    Author Bob (GB) (238451) 03 Jun 11, 13:42
    Comment
    Ja, Du bist auf der richtigen Spur. Die Bezeichnung FI leitet sich vom F für Fehler und dem I als Formelzeichen für den elektrischen Strom ab = Fehlerstromschutzschalter. Mein Vorschlag: unübersetzt lassen.
    #1Author Carullus (670120) 03 Jun 11, 13:47
    Comment
    Thanks, Carullus. Yes, I always leave it 'as is' because FI/RCD is an accepted term, even although most people don't know what all of it means!

    Have a nice weekend!
    #2Author Bob (GB) (238451) 03 Jun 11, 17:02
     
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