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ASTTBC RFPT — Fire Alarm Systems (AL) · Question

Which of the following is an essential requirement for the 'legend' on a set of Fire Alarm As-Built drawings?

Standardized symbols (often based on ULC or NFPA 170) must be used to ensure any qualified technician can read the drawings.

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Question: Which of the following is an essential requirement for the 'legend' on a set of Fire Alarm As-Built drawings?

Answer options: ✅ ULC-standardized symbols for fire alarm devices

  • Color-coded lines for different wire gauges
  • Photographs of every device installed
  • A list of every technician who worked on the install

Correct answer: ULC-standardized symbols for fire alarm devices

Explanation: Standardized symbols (often based on ULC or NFPA 170) must be used to ensure any qualified technician can read the drawings.

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