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ASTTBC RFPT — Portable Fire Extinguishers (EX) · Question

According to NFPA 10, what is the maximum permissible interval for the internal examination and maintenance of a stored-pressure water-based fire extinguisher?

NFPA 10 Table 7.3.1.1 specifies that stored-pressure water extinguishers require internal examination every 5 years, which coincides with their hydrostatic test

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Question: According to NFPA 10, what is the maximum permissible interval for the internal examination and maintenance of a stored-pressure water-based fire extinguisher?

Answer options:

  • 1 year ✅ 5 years
  • 6 years
  • 12 years

Correct answer: 5 years

Explanation: NFPA 10 Table 7.3.1.1 specifies that stored-pressure water extinguishers require internal examination every 5 years, which coincides with their hydrostatic test interval.

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