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ASTTBC RFPT — Fire Alarm Systems (AL) · Question

When adding a new smoke detector to an existing circuit, which installation standard must be adhered to?

CAN/ULC-S524 Clause 1.1 states it covers the installation of components and systems.

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Question: When adding a new smoke detector to an existing circuit, which installation standard must be adhered to?

Answer options:

  • S536
  • S537
  • S561 ✅ S524

Correct answer: S524

Explanation: CAN/ULC-S524 Clause 1.1 states it covers the installation of components and systems.

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