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ASTTBC RFPT — Fire Alarm Systems (AL) · Question

Which of the following is a characteristic of a Class B circuit?

Class B circuits are the most common in standard commercial applications due to lower cost, and they utilize an End-of-Line (EOL) resistor to monitor for wire b

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Question: Which of the following is a characteristic of a Class B circuit?

Answer options:

  • It uses a return wire to the panel. ✅ It uses an End-of-Line (EOL) resistor to monitor for continuity.
  • It cannot report a wire break.
  • It is mandatory for all high-rise buildings.

Correct answer: It uses an End-of-Line (EOL) resistor to monitor for continuity.

Explanation: Class B circuits are the most common in standard commercial applications due to lower cost, and they utilize an End-of-Line (EOL) resistor to monitor for wire breaks.

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