ASTTBC RFPT — Fire Alarm Systems (AL) · Question
What component is required at the end of a Class B initiating circuit to provide supervision?
Class B circuits require an End-of-Line resistor to supervise the continuity of the wiring. A missing resistor or open wire causes a trouble signal.
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Question: What component is required at the end of a Class B initiating circuit to provide supervision?
Answer options:
- Class A loop
- Class X isolator ✅ End-of-Line (EOL) resistor
- Normally closed contact shunt
Correct answer: End-of-Line (EOL) resistor
Explanation: Class B circuits require an End-of-Line resistor to supervise the continuity of the wiring. A missing resistor or open wire causes a trouble signal.
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Question explanations
- Which of the following constitutes a system 'deficiency' rather than a 'non-conformance' to current standards?
- When a deficiency is corrected, what specific information MUST be recorded in the log?
- Which of the following would be categorized as a 'Non-Conformance' to the Installation Standard (S524) in an i
- In the event of a deficiency that renders the fire alarm system inoperative, what is the mandatory reporting r
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