Question 10002 of 871 · Maryland Journeyperson Electrician Exam
A branch circuit supplies only neon tubing installations for a sign. What is the maximum rating of this branch circuit?
Exactly one answer is correct.
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Correct answer to question 10002
- C: 30 amperes
Explanation
Branch circuits that supply neon tubing installations are limited to 30 amperes, while circuits for incandescent, fluorescent, HID, and LED sign illumination are limited to 20 amperes. The higher limit for neon reflects the way neon transformers and power supplies are rated and loaded.
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