ASTTBC RFPT — Fire Alarm Systems (AL) · Question
To provide survivability for a DCLC loop, the outbound and return conductors of a vertical riser must be separated by:
S524 Table 1 defines DCLC as redundant path. If the riser is DCLC and cables are separated, it provides survivability. Separation is often 300mm or a fire-rated
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Question: To provide survivability for a DCLC loop, the outbound and return conductors of a vertical riser must be separated by:
Answer options:
- 100 mm
- No separation required
- 500 mm ✅ By a fire-rated assembly or physical separation (e.g. 300mm-1200mm depending on jurisdiction)
Correct answer: By a fire-rated assembly or physical separation (e.g. 300mm-1200mm depending on jurisdiction)
Explanation: S524 Table 1 defines DCLC as redundant path. If the riser is DCLC and cables are separated, it provides survivability. Separation is often 300mm or a fire-rated floor.
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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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