1. A terminal device of an electrical apparatus comprising:
a frame including at least two side walls with grooves, a bottom wall disposed between the at least two side walls and having
a first recess, and a rear wall standing from the bottom wall to form a box-shaped space, at least one attachment piece fitted
into the box-shaped space, and having a cylinder-shaped recess and a lower surface with a projection for engaging the first
recess, and at least one terminal strip with a terminal screw to be inserted into the box-shaped space along the grooves so
that the terminal screw is fitted into the cylinder-shaped recess for attaching the terminal strip to the attachment piece.
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