A plug assembly includes a sleeve and a connector assembly. The sleeve includes a first axial end portion and a second axial end portion. The second axial end portion defines a plurality of channels. The connector assembly is engaged to the second axial end portion of the sleeve. The connector assembly includes a connector body, a plurality of contacts and a plug. The plurality of contacts is disposed in the connector body. Each of the plurality of contacts includes a first end and a second end. The first ends of the plurality of channels are disposed in the plurality of channels of the sleeve. The plug is engaged to the connector body. The plug includes a plurality of grooves through which the second ends of the plurality of contacts are accessible.