Question 11025 of 749 · Maryland Journeyperson Electrician Exam
In NEC 2020, a Class 1 power-limited circuit is supplied by a source with an output not exceeding what?
Exactly one answer is correct.
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Correct answer to question 11025
- B: 30 volts and 1000 VA
Explanation
Class 1 power-limited circuits are supplied by a source having a rated output of not more than 30 volts and 1000 VA. Class 1 remote-control and signaling circuits may operate at higher voltages.
More questions: Emergency, Limited Energy and Communications
- 11026In NEC 2020, Class 1 remote-control and signaling circuits that are not power-limited may operate at up to what voltage?
- 11027In NEC 2020, which article covers Class 1, Class 2, and Class 3 remote-control, signaling, and power-limited circuits?
- 11030In NEC 2020, what is the maximum OCPD for 18 AWG Class 1 circuit conductors?
- 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?