If non-power-limited circuits operate under NEC, what is the maximum voltage allowed?

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Study for the Fire Alarm Lesson 5and6 Test. Prepare with flashcards and multiple choice questions; each question comes with hints and explanations. Gear up for success on your exam!

Multiple Choice

If non-power-limited circuits operate under NEC, what is the maximum voltage allowed?

Explanation:
Non-power-limited circuits under NEC have a maximum allowable voltage of 600 volts. This category covers circuits that aren’t restricted by power-limitation rules, so 600 volts is the upper limit between conductors or to a grounded surface. Voltages like 120 V or 240 V are common and well within that ceiling, while 1000 V would exceed the limit and isn’t allowed for non-power-limited circuits.

Non-power-limited circuits under NEC have a maximum allowable voltage of 600 volts. This category covers circuits that aren’t restricted by power-limitation rules, so 600 volts is the upper limit between conductors or to a grounded surface. Voltages like 120 V or 240 V are common and well within that ceiling, while 1000 V would exceed the limit and isn’t allowed for non-power-limited circuits.

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