ASTTBC RFPT — Fire Alarm Systems (AL) · Question
According to CAN/ULC-S524, when is synchronization of visual signal devices mandatory?
Per S524, visual signals (strobes) must be synchronized when more than two are visible from a single point to prevent triggering photosensitive epilepsy seizure
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Question: According to CAN/ULC-S524, when is synchronization of visual signal devices mandatory?
Answer options: ✅ When more than two strobes are in the same field of view.
- Every floor must be synchronized to the master clock.
- Only in hospitals and schools.
- Synchronization is never required, only recommended.
Correct answer: When more than two strobes are in the same field of view.
Explanation: Per S524, visual signals (strobes) must be synchronized when more than two are visible from a single point to prevent triggering photosensitive epilepsy seizures.
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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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