Skip to main content

ASTTBC RFPT — Fire Alarm Systems (AL) · Question

According to CAN/ULC-S524, plug-in modules used within a control unit must:

Field-replaceable modules like zone cards or power supplies must be secured and provided with mechanical means to ensure they cannot be installed incorrectly (k

Start free practice for ASTTBC RFPT — Fire Alarm Systems (AL)

30 questions · no signup required · 40 free questions per day

Start Practice →

Question: According to CAN/ULC-S524, plug-in modules used within a control unit must:

Answer options:

  • Be hot-swappable while the system is under full load
  • Contain their own independent backup battery
  • Include a built-in smoke detector for internal protection ✅ Be mechanically keyed to prevent incorrect installation into the backplane

Correct answer: Be mechanically keyed to prevent incorrect installation into the backplane

Explanation: Field-replaceable modules like zone cards or power supplies must be secured and provided with mechanical means to ensure they cannot be installed incorrectly (keyed).

Start free practice for ASTTBC RFPT — Fire Alarm Systems (AL)

30 questions · no signup required · 40 free questions per day

Start Practice →

More about ASTTBC RFPT — Fire Alarm Systems (AL)

Related Questions

More for ASTTBC RFPT — Fire Alarm Systems (AL) candidates

Ready to practice?

Free, no signup required. Build a wrong-question list as you go.

Start Free ASTTBC RFPT — Fire Alarm Systems (AL) Practice →

Related courses

Other Canadian certifications candidates often prepare for alongside this one.