Wet chemical (e.g. K-type) · Internal examination
For Wet chemical (e.g. K-type) · Internal examination, extinguishing agent / type is Wet chemical (e.g. K-type); service obligation is Internal examination; interval is every 5 years; nfpa 10 section is NFPA 10(10), Sec. 7.3.1.1.2 and Table 7.3.1.1.2, recorded from its source on 2026-08-19.
- Extinguishing agent / type
- Wet chemical (e.g. K-type) verified
- Service obligation
- Internal examination our reading
- Interval
- every 5 years verified
- NFPA 10 section
- NFPA 10(10), Sec. 7.3.1.1.2 and Table 7.3.1.1.2 verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
It must be noted that some types of extinguishers are required to undergo an internal examination at more frequent intervals as specified in NFPA 10(10), Sec. 7.3.1.1.2 and Table 7.3.1.1.2. For example, stored-pressure loaded-stream and antifreeze type extinguishers are required to be internally inspected annually. Carbon Dioxide (CO2) and wet chemical (e.g. K-type) extinguishers are required to be internally inspected every 5 years.
— health.state.mn.us, retrieved 2026-08-19
Source
- health.state.mn.ushttps://www.health.state.mn.us/facilities/regulation/engineering/docs/lscfireext.pdf