Washing machine and assembly method thereof

A washing machine, comprising:

• a casing which forms an external appearance of the washing machine and having an open top side;
• a guide installed along an upper edge of the top side of the casing and having an elongated groove extending in a front to rear direction of the washing machine such that at least a portion of a wire extends along the elongated groove from a front side of the washing machine to a rear side of the washing machine;
• and
• a cover coupled to cover the top side of the casing so as to cover the guide and the top side of the casing.

An assembly method of a washing machine, the washing machine comprising a casing defining an external appearance of the washing machine, and a tub disposed in the casing, the assembly method comprising:

• connecting one side of a wire harness to a lower electric component installed to a lower surface of the tub;
• installing the tub within the casing through an open top side of the casing;
• extending the wire harness, connected to the lower electric component, to a top of the casing, and then extending the wire harness to a front surface of the casing along an elongated groove of a guide installed along an upper edge of the top side of the casing;
• coupling a cover having an opening to the top side of the casing;
• and
• coupling the other side of the wire harness, extending to the front surface of the casing, to a control panel located at the cover,
• wherein the elongated groove of the guide extends in a front to rear direction of the washing machine such that at least a portion of the wire harness extends along the elongated groove from a front side of the washing machine to a rear side of the washing machine.