What happens if you use an expired fire extinguisher? However, your fire extinguisher will only work well if it has not reached its date of expiration. Like every other thing you know, a fire extinguisher can expire. Unfortunately, not everyone knows this. When left unused for far too long, the extinguisher tends to lose its ability to extinguish fires.
Correspondingly, how long does a fire extinguisher last for? 5 to 15 years . Similarly, can breathing in fire extinguisher hurt you? Fire extinguisher powder inhalation is one of the biggest dangers with fire extinguishers. It is very irritating to mucous membranes and may cause difficulties with breathing if inhaled in large enough quantities.
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Direct contact of the skin with the pressurized CO 2 can cause frostbite. The damage to the skin can be limited to mild redness, but blisters are also possible. Damage to the eyes can also occur with direct exposure. If you suspect someone has inhaled spray from a fire extinguisher, get them to fresh air immediately.
Lots and lots and lots of static electricity. When enough builds up, you will get a sudden very strong jolt. Now, have you connected the dots yet? If you aim the CO2 discharge by holding the funnel, it will get icy cold and the skin of your hand will freeze onto the funnel. Then you will get a huge static electricity jolt, and your arm will jerk away.
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Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher