incorrect insertion
Technical term used in engineering, manufacturing, or IT contexts when a component, unit, or part is inserted wrongly.
We strengthened the inspection process to prevent incorrect insertion of components onto the board.
The connector was damaged due to incorrect insertion of the USB cable.
Compound of 誤 (go, 'mistake') + 挿入 (sōnyū, 'insertion'). The reading follows standard on'yomi.