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Electric Power Tools - Choosing Between Corded and Cordless Electric power tools let users reduce physical strain and complete jobs in less time that it would take using hand-held tools. They are always powered, so there is no chance of "power fading." They draw energy from an electric source which is either a cord plugged into an outlet or batteries that recharge. Corded vs. Cordless The choice between corded and cordless power tools will depend on your individual needs and work environ