To make a wire laid along an electric apparatus hardly heated.

This luminaire is equipped with an electric apparatus to light a light source and a luminaire body 1 in which a mounting part 5 having, on its one surface side, a mounting surface 4 on which an electric apparatus is mounted and a wire is wired outside the mounting surface 4 along the electric apparatus, and is composed by placing the other surface side of the mounting part 5 in a form to face the installation position. In this case, the luminaire body 1 is so structured that a facing part 6 to face the electric apparatus is stretched from the mounting part 5 and a long hole 8 is formed in between the mounting surface 4 and the wiring part of the wire along the electric apparatus.