UL 2157 applies to electric clothes washing machines and extractors intended to be used in nonhazardous locations in accordance with the Canadian Electrical Code, Part 1 (CEC) and the (U.S.) National Electrical Code (NEC), on circuits having a nominal voltage not exceeding 600 V. UL 2157 also applies to both cord-connected and permanently connected machines. The applicances covered by this Standard are intended for use by the general public not specifically trained in the use of the appliance, regardless of the mode by which its operation is initiated. They are for use in household and commercial purposes, including machines provided with coin-,ticket-, or card-operated mechanisms, wringer washers, tumbler, agitator and spinner machines, combination washer-dryers, and extractors of the centrifugal type.