ASTTBC RFPT — Fire Alarm Systems (AL) · Question
Which of the following is true for a Class B (DCLB or IDC) circuit?
S524 describes Class B as a 'radial' circuit where an end-of-line device is required for supervision. A break stops communication beyond that point.
Start free practice for ASTTBC RFPT — Fire Alarm Systems (AL)
30 questions · no signup required · 40 free questions per day
Question: Which of the following is true for a Class B (DCLB or IDC) circuit?
Answer options: ✅ A single open will disable all devices downstream of the break.
- A single open will not affect any device.
- A short circuit will make all devices alarm.
- A short circuit is ignored by the panel.
Correct answer: A single open will disable all devices downstream of the break.
Explanation: S524 describes Class B as a 'radial' circuit where an end-of-line device is required for supervision. A break stops communication beyond that point.
Start free practice for ASTTBC RFPT — Fire Alarm Systems (AL)
30 questions · no signup required · 40 free questions per day
More about ASTTBC RFPT — Fire Alarm Systems (AL)
Related Questions
- 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
- Where is the primary location for a set of Fire Alarm As-Built drawings in a commercial building?
- What is the most critical information that an 'As-Built' drawing provides compared to a 'Design' drawing?
More for ASTTBC RFPT — Fire Alarm Systems (AL) candidates
Study guides
FAQs
- How long is the ASTTBC RFPT Fire Alarm Systems (AL) exam? — ASTTBC RFPT Fire Alarm Systems (AL)
- How many questions are on the ASTTBC RFPT Fire Alarm Systems (AL) exam? — ASTTBC RFPT Fire Alarm Systems (AL)
- What is the passing score for the ASTTBC RFPT Fire Alarm Systems (AL) exam? — ASTTBC RFPT Fire Alarm Systems (AL)
- How often do I need to recertify ASTTBC RFPT Fire Alarm Systems (AL)? — ASTTBC RFPT Fire Alarm Systems (AL)
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
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.