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Thread: B747 & A340 Electrical Systems
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Old 14th January 2012 | 08:22
  #7 (permalink)  
spannersatcx
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Cool
EXT PWR 1 indicates that the external power contactor is closed ("ON" illuminated) but ext power 1 is not available ("AVAIL" not illuminated).
That's correct, avail or on but not both.
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