LAMP

PROBLEM TO BE SOLVED: To provide a lamp which enables easy checking of electric current leak to a housing.SOLUTION: A lamp includes: a substrate 4 where a semiconductor light-emitting element 5 is mounted along a longitudinal direction; a metal housing 2 to which the substrate 4 is fixed; a cover 3 which is assembled to the housing 2 and transmits light emitted from the semiconductor light-emitting element 5; and a mouthpiece 1 disposed at end parts of the housing 2 and the cover 3. The mouthpiece 1 includes: a fixing member 30 which fixes the housing 2 and the cover 3; metal screws 10 which fasten the fixing member 30 to the housing 2; and a hole part which is provided at the fixing member 30 and enables contact with the metal screws 10 from a direction perpendicular to a longitudinal axis of the housing 2. 【課題】筐体への電流リークチェックを容易にすることができるランプを提供する。【解決手段】半導体発光素子５を長手方向に沿って搭載した基板４と、基板４を固定する金属性の筐体２と、筐体２に組み付けられ、半導体発光素子５によって発光された光を透過するカバー３と、筐体２およびカバー３の端部に配設される口金１と、を有し、口金１は、筐体２およびカバー３を固定する固定部材３０と、固定部材３０と筐体２とを締結する金属性のネジ１０と、固定部材３０に設けられる穴部であり筐体２の長手方向軸に直角の方向から金属性のネジ１０に接触可能とする穴部とを有する。【選択図】図３