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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 46 - Shipping |
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Chapter I - Coast Guard, Department of Homeland Security |
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SubChapter J - Electrical Engineering |
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Part 112 - Emergency Lighting and Power Systems |
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Subpart 112.20 - Emergency Systems Having a Temporary and a Final Emergency Power Source |
§ 112.20-5 - Failure of power from the normal source or final emergency power source.
Latest version.
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§ 112.20-5 Failure of power from the normal source or final emergency power source.
(a) If there is a reduction of potential of the normal source by 15 to 40 percent, the loads under § 112.15-1 must be automatically supplied from the temporary emergency power source.
(b) For systems in which a reduction of frequency of the normal source or final emergency power source adversely affects the emergency system and emergency loads, there must be means to transfer the loads under § 112.15-1 to the temporary emergency power source upon a reduction in the frequency of the normal source or final emergency power source.