Every home should have at least one fire extinguisher, located in the kitchen. Better still is to install fire extinguishers on each level of a house and in each potentially hazardous area, including (besides the kitchen) the garage, furnace room, and workshop.
Choose fire extinguishers by their size, class, and rating. “Size” refers to the weight of the fire-fighting chemical, or charge, a fire extinguisher contains, and usually is about half the weight of the fire extinguisher itself. For ordinary residential use, extinguishers two and a half to five pounds in size usually are adequate; these weigh five to ten pounds.
“Class” refers to the types of fires an extinguisher can put out. Class A extinguishers are for use only on ordinary combustible materials such as wood, paper, and cloth. Generally, their charge consists of carbonated water, which is inexpensive and adequate for the task but quite dangerous if used against grease fires (the pressurized water can spread the burning grease) and electrical fires (the water stream and wetted surfaces can become electrified, delivering a possibly fatal shock). Class B extinguishers are for use on...