ELECTRIC WORK MACHINE

An excavator 1 comprising: an electric motor 7 having a commercial power supply 5 and a battery 62 as the drive power sources therefor; and a hydraulic actuator having a hydraulic pump 113 driven by the electric motor 7, as the hydraulic source therefor. The excavator has: a first power supply mode in which the electric motor 7 is driven while the battery 62 is being charged by the commercial power supply 5; and a second power supply mode in which the electric motor 7 is driven only by the battery 62. A power supply cable 51 for supplying power from the commercial power supply 5 is connected to a power supply port and, if the electric motor 7 has stopped operating, the excavator moves from the second power supply mode to the first power supply mode.