ASTTBC RFPT — Fire Alarm Systems (AL) · Question
When installing heat detectors on a ceiling that is 6 metres high, the manufacturer's listed spacing must be:
For heat detectors, spacing is reduced when ceilings exceed 3m. At 6m, the multiplier is roughly 0.64 of the rated spacing.
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Question: When installing heat detectors on a ceiling that is 6 metres high, the manufacturer's listed spacing must be:
Answer options:
- No change
- Increased by 10%
- Reduced by 10% ✅ Reduced per Table 10 (approx. 30-40%)
Correct answer: Reduced per Table 10 (approx. 30-40%)
Explanation: For heat detectors, spacing is reduced when ceilings exceed 3m. At 6m, the multiplier is roughly 0.64 of the rated spacing.
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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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