To facilitate the wiring and the work for changing a glow lamp, and to easily fit a glow lamp socket to a place hard to hinder the delivery of merchandise by fitting an attracting means to an installation surface of a device main body.

This glow lamp socket 50 has a cylindrical main body 52, and a magnet 54 as an attracting means is adhered to an installation surface of this main body 52 by the adhesive agent. In this case, the magnet 54 can be fitted by fitting the magnet 54 in the installation surface 53, or fixing it with screw, or integrally forming the main body 52 with the magnet 54 and embedding the magnet 54. With the structure that the magnet 54 is fitted to the installation surface 53, a socket 50 can be fitted to any magnetic object to be provided with socket. Consequently, degree of freedom of wiring is increased, and the wiring is facilitated, and a glow lamp can be easily changed by disconnecting the socket 50.