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Forum topic by cabinetman posted 04-22-2007 12:19 PM 1551 views 0 times favorited 6 replies Add to Favorites Watch
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144 posts in 4139 days

04-22-2007 12:19 PM

There’s been a lot of discussion concerning shop safety and how to protect ourselves. There really hasn’t been too much discussion about fire extinguishers. I can’t emphasize enough the value of having one close by. I’ve always kept one in or near the kitchen and garage area, and many in the shop. Knowing how to use one and which ones are for what type of fires is important. I’ve had a few fires and in a shop area, especially a wood shop, a fire can get rampant in a hurry. Here’s a short description of the types.

Fire Extinguisher Ratings

Class A Extinguishers will put out fires in ordinary combustibles, such as wood and paper. The numerical rating for this class of fire extinguisher refers to the amount of water the fire extinguisher holds and the amount of fire it will extinguish.

Class B Extinguishers should be used on fires involving flammable liquids, such as grease, gasoline, oil, etc. The numerical rating for this class of fire extinguisher states the approximate number of square feet of a flammable liquid fire that a non-expert person can expect to extinguish.

Class C Extinguishers are suitable for use on electrically energized fires. This class of fire extinguishers does not have a numerical rating. The presence of the letter ā€œCā€ indicates that the extinguishing agent is non-conductive.

Class D Extinguishers are designed for use on flammable metals and are often specific for the type of metal in question. There is no picture designator for Class D extinguishers. These extinguishers generally have no rating nor are they given a multi-purpose rating for use on other types of fires.

For more details:

6 replies so far

View MsDebbieP's profile


18615 posts in 4156 days

#1 posted 04-22-2007 12:31 PM

excellent info. Thank you for this.

-- ~ Debbie, Canada (

View Dick, & Barb Cain's profile

Dick, & Barb Cain

8693 posts in 4295 days

#2 posted 04-22-2007 12:32 PM

Very good advice, on my job especially while welding, I’ve used an fire extinguisher many times. That’s one thing I have add to my list for my shop.

-- -** You are never to old to set another goal or to dream a new dream ****************** Dick, & Barb Cain, Hibbing, MN.

View dennis mitchell's profile

dennis mitchell

3994 posts in 4310 days

#3 posted 04-22-2007 12:57 PM

I’ve never needed one, but I’ve got two!

View Obi's profile


2213 posts in 4232 days

#4 posted 04-22-2007 02:48 PM

Thank God my brother-in-law had one this was posted a couple of months ago when my table saw caught fire

View Karson's profile


35120 posts in 4396 days

#5 posted 04-22-2007 02:57 PM

Never had to use one in the shop. Thank you Lord.

I have a couple of larger ones that I can’t refill because the “Test By Date” has expired and the testing costs more than buying a new extinguisher.

But you are right I’ve probably got 2 in the shop but not close enough to grab them fast.

I also do welding like Dick both Acetylene and Electric and I do it outside. Other than the silver soldering for making my own Band Saw blades.

I guess I need to purchase a couple of more to have handy, and then know where they are.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware soon moving to Virginia ā€ 

View Wooder's profile


163 posts in 4182 days

#6 posted 04-22-2007 03:50 PM

I have 2 also. A 10 lb and 5 lb ABC. Been checked and refilled once, but not from use..

-- Jimmy

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