Skip to main content

ASTTBC RFPT — Fire Alarm Systems (AL) · Question

During a battery load test, what is the generally accepted minimum voltage for a 12V nominal battery before it is considered to have failed?

For a 12V nominal battery, the end-of-discharge voltage should typically not drop below 10.2V (85% of nominal) during the test. S536 references manufacturer spe

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

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

Start Practice →

Question: During a battery load test, what is the generally accepted minimum voltage for a 12V nominal battery before it is considered to have failed?

Answer options:

  • 12.6V
  • 11.5V ✅ 10.5V
  • 9.0V

Correct answer: 10.5V

Explanation: For a 12V nominal battery, the end-of-discharge voltage should typically not drop below 10.2V (85% of nominal) during the test. S536 references manufacturer specs, but 85-90% is the standard performance floor.

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.