A connector assembly comprising: a sheet type conductive member (21, 51, 71) having a flexible conductor exposed on a surface of the sheet type conductive member; an electric wire having a conductor portion; and a connector (11, 41, 61, 81) connecting the conductor portion to the flexible conductor, wherein the connector includes a first insulator (12, 42, 62, 82, 92) having a first retaining surface and a second insulator (13, 43, 63, 83, 93) having a second retaining surface facing the first retaining surface, wherein the sheet type conductive member includes a first sheet portion (22, 52, 72) having a retained portion (22A, 52A, 72A) disposed to face the first retaining surface, a second sheet portion (23, 53, 73) joined to the retained portion via a folding-back line and disposed to face the second retaining surface with the second sheet portion being folded back onto the retained portion along the folding-back line, and at least one electric wire inserting hole (21D, 21E, 51D, 51E, 71D) formed in at least one of the retained portion and the second sheet portion and penetrating the sheet type conductive member, wherein the flexible conductor is exposed at least on a surface of the retained portion, wherein the conductor portion of the electric wire is passed through the electric wire inserting hole and disposed between the retained portion and the second sheet portion, and wherein the first insulator and the second insulator are fixed with each other such that the retained portion and the second sheet portion are superposed on each other and disposed between the first retaining surface and the second retaining surface, whereby the flexible conductor makes contact with and is electrically connected to the conductor portion of the electric wire. a sheet type conductive member (21, 51, 71) having a flexible conductor exposed on a surface of the sheet type conductive member; an electric wire having a conductor portion; and a connector (11, 41, 61, 81) connecting the conductor portion to the flexible conductor, wherein the connector includes a first insulator (12, 42, 62, 82, 92) having a first retaining surface and a second insulator (13, 43, 63, 83, 93) having a second retaining surface facing the first retaining surface, wherein the sheet type conductive member includes a first sheet portion (22, 52, 72) having a retained portion (22A, 52A, 72A) disposed to face the first retaining surface, a second sheet portion (23, 53, 73) joined to the retained portion via a folding-back line and disposed to face the second retaining surface with the second sheet portion being folded back onto the retained portion along the folding-back line, and at least one electric wire inserting hole (21D, 21E, 51D, 51E, 71D) formed in at least one of the retained portion and the second sheet portion and penetrating the sheet type conductive member, wherein the flexible conductor is exposed at least on a surface of the retained portion, wherein the conductor portion of the electric wire is passed through the electric wire inserting hole and disposed between the retained portion and the second sheet portion, and wherein the first insulator and the second insulator are fixed with each other such that the retained portion and the second sheet portion are superposed on each other and disposed between the first retaining surface and the second retaining surface, whereby the flexible conductor makes contact with and is electrically connected to the conductor portion of the electric wire.