Connector Body is the portable relay receptacle which is provided with means for attachment to a flexible cord and which is not intended for permanent mounting, and is used to connect to an inlet for receiving power and to supply power. The material of the main body and the housing are made of flame-retardant (UL94 V-0) nylon resin which possesses heat resistance and tracking resistance and contains no harmful substances. Connectivity is "crimp terminal" tightening the terminal screw on the side and "screwing terminal" using wire insertion holes.