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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 111 - Electric Systems - General Requirements |
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Subpart 111.97 - Electric Power-Operated Watertight Door Systems |
§ 111.97-9 - Overcurrent protection.
Latest version.
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§ 111.97-9 Overcurrent protection.
Overcurrent devices must be arranged to isolate a fault with as little disruption of the system as possible. The relationship between the load and the rating or setting of overcurrent devices must meet the following:
(a) The rating or setting of each feeder overcurrent device must be not less than 200 percent of its maximum load.
(b) The rating or setting of a branch circuit overcurrent device must be not more than 25 percent of that of the feeder overcurrent device.