ASTTBC RFPT — Fire Alarm Systems (AL) · Question
During verification of audible signal devices, what technical measurement is required by CAN/ULC-S537 Section 5.5?
Clause 5.5.1.2 requires checking the supervised voltage or current of each signaling branch to ensure it is within the manufacturer's specified limits for the n
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Question: During verification of audible signal devices, what technical measurement is required by CAN/ULC-S537 Section 5.5?
Answer options: ✅ Confirming voltage/current is within the manufacturer’s rated limits for the actual load
- Measuring wire insulation resistance to ground only
- Checking the color coding of the signal wires against Section 32 of the CEC
- Ensuring the end-of-line resistor is a minimum of 10k ohms
Correct answer: Confirming voltage/current is within the manufacturer’s rated limits for the actual load
Explanation: Clause 5.5.1.2 requires checking the supervised voltage or current of each signaling branch to ensure it is within the manufacturer's specified limits for the number of devices connected.
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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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