Depending upon what fire code is used and where the extinguisher is located, it should be checked monthly. In fact, a fire inspector can ask to see the records of the monthly tests, which are normally attached on a tag on each extinguisher.
Modern codes are beginning to require automatic electronic monitoring of fire extinguishers.
Usually once a year by a professional but someone should at least pick it up, read the gauge if it has one, and shake the powder up (if its the dry chem type).
A fire extinguisher service checks that the extinguisher hasn't been tampered with and ensures that it is still full and in good working order should you need it.
Yearly
ABC, BC or C. It is often best to disconnect the electrical power and use an extinguisher appropriate for whatever type of fuel happens to be burning (A or B). Do NOT use a water-type A fire extinguisher on an energized electrical fire.
A fire extinguisher is meant to extinguish a fire, or at least a portion of the fire within the fire extinguisher's capacity.
how does a fire extinguisher work
A Class C fire extinguisher.
A Class C fire extinguisher.
We are use the co2 as fire extinguisher
fire extinguisher safety training Topic: Question Summary: Do I have to take a fire extinguisher class? Question Long-Form: I own a fire extinguisher. Am I required to take fire extinguisher training? If so, where are they offered?
Flammable metals often require special chemicals to extinguish, assuming there are any. So, in fact, you WOULD use a "chemical extinguisher", but probably not an ordinary dry chemical extinguisher.
Fire extinguisher symbols
That is the correct spelling of "extinguisher" (fire extinguisher).