A connection body comprises a body having upper and lower surfaces, a first path and a second path. The first path has a first wired portion configured to be connected to a first core wire of a cable structure and a first terminal portion coupled to the first wired portion by a first coupling portion. The first wired portion, the first terminal portion and the first coupling portion are formed on the upper surface of the body. The second path has a second wired portion configured to be connected to a second core wire of the cable structure and a second terminal portion coupled to the second wired portion by a second coupling portion. The second wired portion is formed on the upper surface of the body. The second terminal portion is formed on the lower surface of the body.