SC Burglar Alarm Practice Questions - South Carolina Burglar Alarm Contractor Examination Exam

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What is the minimum conductor size generally permitted for a Class 1 circuit, and what insulation voltage rating is required?

22 AWG with 150-volt insulation 18 AWG with 600-volt insulation 16 AWG with 300-volt insulation 14 AWG with 30-volt insulation

Correct Answer:

18 AWG with 600-volt insulation

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