ASTTBC RFPT — Fire Alarm Systems (AL) · Question
If a fire alarm system is required to have a 2-hour fire-resistance rating for its conductors, how is this usually achieved in construction?
NBCC requires 2-hour rating for any circuit that transmits signals from the fire alarm panel to a signal device (audible/visual) in a building requiring a 2-sta
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Question: If a fire alarm system is required to have a 2-hour fire-resistance rating for its conductors, how is this usually achieved in construction?
Answer options: ✅ Cables are in a concrete-encased duct bank.
- Cables are standard BX.
- Cables are plenum-rated.
- Cables are untwisted pair.
Correct answer: Cables are in a concrete-encased duct bank.
Explanation: NBCC requires 2-hour rating for any circuit that transmits signals from the fire alarm panel to a signal device (audible/visual) in a building requiring a 2-stage system or high-rise requirements.
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Related Questions
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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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