Patent ID: 8136956

Claim:
A showcase provided with an illuminative lamp having terminals at end portions, the showcase comprising: sockets which connect an illuminative lamp to a power source of a main body of the showcase, each socket including: a main body side socket member fixed to the main body and having an internal power supply portion and a connecting portion, a water proof rubber being disposed between the connecting portion and the internal power supply portion; and an illuminative lamp side socket member mounted on the illuminative lamp and detachably attached to the main body side socket member so as to cover the connecting portion, the illuminative lamp side socket member having a drain hole where the illuminative lamp side socket member covers the connection portion, a thermal insulation cylinder surrounding a periphery of the illuminative lamp, a terminal of the illuminative lamp being electrically connected to the power supply portion of the main body side socket member directly or via a conductive member in a state in which the illuminative lamp side socket member mounted on the illuminative lamp is attached to the main body side socket member, the main body side socket member and the illuminative lamp side socket member having engagement portions which are disengageably engaged with each other, each engagement portion having an outwardly extending operating portion, the operating portion being operated to thereby disengageably engage the end portion.