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

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A single short-circuit occurs on a copper SLC. Which pathway class is specifically defined to keep the remainder of the circuit in operation during that short?

Class B, because the EOL resistor isolates shorts Class E, because it is not monitored Class X, because isolation maintains operation during a single short Class C, because it is fail-safe

Correct Answer:

Class X, because isolation maintains operation during a single short

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