Question 11030 of 749 · Maryland Journeyperson Electrician Exam
In NEC 2020, what is the maximum OCPD for 18 AWG Class 1 circuit conductors?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 11030
- C: 7 amperes
Explanation
18 AWG Class 1 conductors must not be protected at more than 7 amperes, and 16 AWG conductors not more than 10 amperes. Larger conductors follow their ampacity.
More questions: Emergency, Limited Energy and Communications
- 11032What identification is required on the disconnecting means for a fire alarm branch circuit?
- 11033Which power-limited fire alarm cable type is suitable for installation in plenums?
- 11034What does the NEC require for the accessible portion of abandoned fire alarm cable?
- 11035Where must fire alarm circuits be identified?
- 11037In NEC 2020 and 2023, which article covers optical fiber cables and raceways?
- 11042In NEC 2020 and 2023, which article covers communications circuits such as telephone wiring?