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  1. camilopinoy

    Intermittent ON/OFF performance of 70W HPS lighting fixture

    hi, we use philips advance HPS lamp ballast (control gear) with catalog number 71A79N1. the lighting fixture brand is Appleton 70W hps E-27 lamp holder. when we use this control gear to E-27 lamp holder and GE lamp PN: LU70/90/MO/D/I/27, why the lamp turns ON for 10 minutes and after that...
  2. camilopinoy

    UL 2279

    DRWeig, its ok. i want to know whats all about UL 2276. i have an issue to clarify regarding certifications between IEC and NEC. can you upload file to this website? thanks in advance. cdafd, yes. with wings like an eagle, though many ammendments now. the link is ok but i don't need to buy...
  3. camilopinoy

    UL 2279

    hi guys, anyone who has a softcopy of UL 2279? i think sharing (info mats) is one objective of this website, so please share it to me.
  4. camilopinoy

    Spark Gap...

    thanks to all...
  5. camilopinoy

    Spark Gap...

    Hi. I need help. I don't know much about ISOLATOR SPARK GAP and LIGHTNING EQUIPOTENTIAL BOND. Can anyone please share some information you have. Thanks.

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