![]() Metal/Sand Extinguishers are for flammable metals (class D fires) and work by simply smothering the fire. CO2 extinguishers are not approved for class D fires! CO2 extinguishers have an advantage over dry chemical in that they leave behind no harmful residue - a good choice for an electrical fire on a computer or other delicate instrument. They don't work very well on class A fires because the material usually reignites. Type ABC fire extinguishers contain ammonium phosphate.ĬO2 (carbon dioxide) extinguishers are for class B and C fires.Type BC fire extinguishers contain sodium or potassium bicarbonate.They also make a terrible mess, but if the choice is a fire or a mess, take the mess! There are two kinds of dry chemical extinguishers: They have an advantage over CO2 extinguishers in that they leave a blanket of nonflammable material on the extinguished material which reduces the likelihood of re-ignition. In these cases, the flames will be spread or the hazard made greater.ĭry Chemical Extinguishers are useful for class ABC fires and are your best all around choice. Water Extinguishers are suitable for class A fires, but not for class B, C, and D such as burning liquids, electrical fires or reactive metal fires. Higher numbers mean more firefighting power. These ratings will often have numbers on them that look something like "3-A:40-B:C". Some fires may be a combination of these! Your fire extinguishers should have ABC ratings on them. ![]() These materials burn at high temperatures and will react violently with water, air, and/or other chemicals. Class D fires involve combustible metals, such as magnesium, titanium, potassium and sodium as well as pyrophoric organometallic reagents such as alkyllithiums, Grignards and diethylzinc.Water is a particularly dangerous extinguishing medium for class C fires because of the risk of electrical shock. Class C fires involve energized electrical equipment, such as appliances, switches, panel boxes, power tools, hot plates and stirrers.Class B fires involve flammable or combustible liquids such as gasoline, kerosene, and common organic solvents.Class A fires are ordinary materials like burning paper, lumber, cardboard, plastics, etc.If there is a large fire, get out immediately and call 911 from another location. Remember, use an extinguisher on small fires only.Learn how to use your fire extinguisher before there is an emergency.Purchase an ABC type extinguisher for extinguishing all types of fires.Fire extinguishers should be mounted in the kitchen, garage, and workshop.They remain your best bet if you're on the spot when a fire begins. Call a qualified electrician to get expert help. Watch for these overload signals: dimming lights when an appliance goes on, a shrinking TV picture, slow heating appliances, or fuses blowing frequently. Overloaded electrical systems invite fire. In many older homes, the capacity of the wiring system has not kept pace with today's modern appliances.Be sure all electrical equipment bears the Underwriters Laboratories (UL) label.If a circuit breaker trips or a fuse blows frequently, immediately cut down on the number of appliances on that line.The same applies to plug-in radios and stereo sets, and to powerful lamps. Allow air space around the TV to prevent overheating.Sparking means that you've waited too long. Check periodically for loose wall receptacles, loose wires, or loose lighting fixtures.Look for the label inside each fixture which tells the maximum wattage. Do not use light bulb wattage which is too high for the fixture.In particular, the use of "octopus" outlets, outlet extensions that accommodate several plugs, is strongly discouraged. Do not run it under a rug or twist it around a nail or hook. If you feel you must use one, make sure that it is not frayed or worn. It is better not to use extension cords.The Rodenator R3 comes complete, excluding the propane and oxygen tanks.Electricity, the silent servant, can become a silent assassin. Igniting the gas is made easy by way of a 8 metre ignition cord with a detonation handle at the end allowing the operator complete operation from a distance. The R-3 allows the operator to manually flow the fuel while standing away from the blast. The Rodenator R3 combines previous R1 and R2 technology into one great package. The amazing new low cost Rodenator R3 Rodenator R3 Wired Remote Pest tunnel Elimination System
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