NM CID ES-3 Practice Questions - New Mexico CID ES-3 Low Voltage Special Systems (Under 50 Volts) Examination Exam

What are the minimum voltage ratings required by NEC 725.179 for Class 2 cable and Class 3 cable?

Class 2: 30 volts; Class 3: 50 volts Class 2: 150 volts; Class 3: 300 volts Class 2: 300 volts; Class 3: 600 volts Both classes: 600 volts

Correct Answer:

Class 2: 150 volts; Class 3: 300 volts

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