ASTTBC RFPT — Emergency Lighting (EM) · Question
During an annual inspection of a central battery system, a technician finds a lead-acid battery cell with a specific gravity reading that deviates more than 0.010 from the average of all cells. What is the required action?
Consistent with CSA C282 and battery maintenance standards, a significant deviation in specific gravity indicates an imbalanced state requiring an equalization
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Question: During an annual inspection of a central battery system, a technician finds a lead-acid battery cell with a specific gravity reading that deviates more than 0.010 from the average of all cells. What is the required action?
Answer options:
- Replace the entire battery string immediately
- Record the reading and recheck in one month ✅ Perform an equalization charge according to manufacturer instructions
- Add distilled water to the low-reading cell only
Correct answer: Perform an equalization charge according to manufacturer instructions
Explanation: Consistent with CSA C282 and battery maintenance standards, a significant deviation in specific gravity indicates an imbalanced state requiring an equalization charge to restore cell uniformity.
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- When performing a monthly inspection of a unit equipment for emergency lighting, what is the minimum duration
- According to CSA C282, what is the required minimum frequency for performing a full-load rated test on an emer
- Under CAN/ULC-S572, photoluminescent exit signs must be tested for visibility by ensuring they are exposed to
- Per the BC Fire Code and CSA C282, how often must the fuel tank of a standby generator be inspected for the pr
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