The utility model discloses a power cable connector, cable locking device in including the external insulation shell and locating the external insulation shell, the one end of external insulation shell is provided with the incoming line, and cable locking device is equipped with conductive parts and is used for peeling off the part of power cable external insulation layer, and power cable accessible incoming line inserts peeling off the part and screwing in peeling off the part, power cable can contact with conductive parts, and the other end of external insulation shell is provided with the connecting portion of being connected with outside power cable coupling device. The utility model discloses a power cable connector when connecting power cable, shells out power cable's external insulation layer, and separately each phase line of power cable is rotatory through the manual work, peels off the part and peels off the insulating layer of each phase line of power cable and lock dead power cable, and the accessible connecting portion are connected with outside power cable coupling device, simplification power cable the connection process, labour saving and time saving.