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CCFL lamp tester

Discussion in 'General Electronics Discussion' started by HellasTechn, Apr 20, 2017.

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  1. HellasTechn

    HellasTechn

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    Apr 14, 2013
  2. Tha fios agaibh

    Tha fios agaibh

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    From my understanding, polarity doesn't matter with ccfls. It has no filament nor anode /cathode, it works on AC.
     
  3. Audioguru

    Audioguru

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    Sep 24, 2016
    All the fluorescent light tubes and compact bulbs on Canada have a filament at each end.
     
  4. Tha fios agaibh

    Tha fios agaibh

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    That's true but that's not a ccfl.
    A ccfl is a cold-cathode fluorescent lamp like whats used for backlighting a laptop computer display.
     
  5. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    And CCFL's are driven by AC, so no need to distinguish one end from the other.
     
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