ASTTBC RFPT — Fire Alarm Systems (AL) · Question
For a Class B notification appliance circuit, the end-of-line supervisor device must be located:
CAN/ULC-S536 (Testing) and S524 (Installation) specify that if an End-of-Line (EOL) resistor is used, it must be located after the last device on a Class B circ
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Question: For a Class B notification appliance circuit, the end-of-line supervisor device must be located:
Answer options: ✅ At the last device on the circuit
- Inside the fire alarm control unit cabinet
- In a junction box exactly halfway through the circuit
- At the 'Designated Entrance' remote annunciator
Correct answer: At the last device on the circuit
Explanation: CAN/ULC-S536 (Testing) and S524 (Installation) specify that if an End-of-Line (EOL) resistor is used, it must be located after the last device on a Class B circuit. Putting it in the panel defeats the purpose of monitoring the line.
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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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