According to 46 CFR, Subchapter J...

Question 1 / 205eccefa4bacbc34ba4d48492

Question 1 of 205eccefa4bacbc34ba4d48492

According to 46 CFR, Subchapter J (Electrical Engineering) regulations, what is the minimum conductor size associated with a 25 or 30 ampere lighting branch circuit supplying a nonswitched cargo hold light fixture?

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🔍 Key Concepts

• 46 CFR Subchapter J table for minimum conductor sizes vs. circuit ampacity • Difference between lighting branch circuits and other types of branch circuits (e.g., power or motor circuits) • Special provisions for nonswitched cargo hold lighting in cargo spaces

💭 Think About

• Look up the specific table in 46 CFR Subchapter J that lists conductor sizes for 25–30 ampere lighting branch circuits and see which American Wire Gauge (AWG) size corresponds to that amp rating • Consider why cargo hold lighting might have stricter or different requirements than general-purpose lighting—does this tend to push you toward a larger or smaller wire size? • Compare typical ampacity for 10, 12, 14, and 16 AWG conductors in marine service and think about which are commonly allowed for 25–30A lighting circuits

✅ Before You Answer

• Verify the exact CFR citation and table number that governs branch-circuit conductor sizing for lighting circuits • Confirm that the table you are using is specifically for lighting branch circuits, not for feeders, motors, or control circuits • Check that the selected AWG size is explicitly listed as acceptable for a 25–30 ampere lighting branch circuit supplying a nonswitched cargo hold light fixture in the regulation text

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Question 1 of 20

10 gauge

12 gauge

14 gauge

16 gauge

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Question 1 / 205eccefa4bacbc34ba4d48492

Question 1 of 205eccefa4bacbc34ba4d48492

Back

Question 1 of 20

5eccefa4bacbc34ba4d48492

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Be the first to share your thoughts!

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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