CFAA Fire Alarm Technician · Question
When installing a smoke detector on a ceiling, what is the minimum distance it must be located from any sidewall?
CAN/ULC-S524-19 Clause 5.7.1.1 states that smoke detectors shall be installed such that they are not less than 100 mm from a sidewall.
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Question: When installing a smoke detector on a ceiling, what is the minimum distance it must be located from any sidewall?
Answer options:
- 50 mm ✅ 100 mm
- 150 mm
- 300 mm
Correct answer: 100 mm
Explanation: CAN/ULC-S524-19 Clause 5.7.1.1 states that smoke detectors shall be installed such that they are not less than 100 mm from a sidewall.
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Question explanations
- The primary power for a fire alarm system must be:
- If a 120VAC primary power circuit for a fire alarm control unit is consuming 60 Watts of power, what is the cu
- In a steady-state DC circuit, if the conductor length is doubled while maintaining voltage and wire gauge, wha
- A resistor is rated at 10 Watts at 24VDC. If the voltage drops to 20VDC, what is the new power dissipation?
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