During the winter, many people use portable electric space
Chapter 20, Problem 20.15(choose chapter or problem)
During the winter, many people use portable electric space heaters to keep warm. When the heater is located far from a 120-V wall receptacle, an extension cord is necessary (see Figure 20.13). To prevent fires, however, manufacturers sometimes caution about using extension cords. To minimize the risk of a fire, should a long extension cord used with a space heater be made from (a) larger-gauge or (b) smaller-gauge wire?
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