An electric connector (10) includes at least one terminal pin (20) having, at opposite ends thereof, terminals (21) to be inserted into through-holes formed through printed circuit boards (P1, P2) spaced away from and facing each other, and an aligner (32) for aligning the terminal pins (20) in a row in such a condition that the terminal pins (20) are movable relative to the aligner (32), the terminal pin (20) including a movement-limiter (22) which restricts movement of the terminal pin (20) in a direction of an axis thereof.