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Recent content by charz

  1. C

    Emergency Escape Lighting

    "The specification indicates that emergency escape route lighting must be powered by UPS circuits, meaning the lighting design follows a 2x50% configuration. Question: How should the 2x50% design be understood, and why is a UPS preferred over integral battery backup in this case?
  2. C

    Lighting in the Lifeboat Area

    Floodlights covering lifeboat and rescue boat preparation and launching areas shall be powered by the main UPS’s and shall be equipped with local switches. Question: why is it required to be powered from UPS? why not from fixtures with integral battery backup?
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