Patent ID: 8382325

Claim:
A lamp with a ferrule comprising: a substrate to support a light emitting element including a wire insertion portion formed therein; a base body with a high thermal conductivity including a support portion to arrange the substrate at one end portion, a concave container portion arranged at the other end portion, and a through-hole formed in the support portion corresponding to the wire insertion portion by penetrating from the one end portion to the other end portion side; a lighting control device arranged in the concave container portion of the base body including a circuit board to mount electric parts constituting a lighting circuit for the light emitting element; an insulating case arranged between the circuit board and the concave container portion of the base body including a protection element inserted in the through-hole of the base body and the wire insertion portion of the substrate so as to project at least to inside of the wire insertion portion; a wire having one terminal connected to the lighting control device and the other terminal milled out to the substrate side through the protection element; and a ferrule provided at the other end side of the base body and electrically connected with the lighting control device.