A terminal assembly for an electrical compressor may include: a terminal housing having an internal space divided into a plurality of spaces, and fixed to a driver; a plurality of terminal parts positioned in the terminal housing, and each having one side connected to a magnet wire and the other side to form a hole into which an electric conduction pin is inserted; and a cover part coupled to the terminal housing, and constraining the movement of the terminal part. The magnet wire may be connected to the terminal part by welding.