In the case where a braid (14) is used as a shielding sheet covering wires (10) over their entire length, a distal end portion of the braid (14) is connected to a mounting member (B) connected to the ground (G), thereby achieving an electromagnetic shielding conduction. At this time, the distal end portion (14a) of the braid (14) is spread outward, and is engaged in an annular groove (20b) of a channel-shaped cross-section in a housing (20), and a braid retaining band (22) is wound on an outer surface of the distal end portion (14a) of the braid (14), and is tightened to fasten this distal end portion. As a result, the distal end portion (14a) can be positively and firmly connected to the mounting member (B), and the effective electromagnetic shielding effect can be expected, and the stable electrical characteristics can be obtained, so that the reliability of the connection can be enhanced.