Patent ID: 8920003

Claim:
A luminaire comprising: a first body module including a first body unit; a light module disposed on said first body module; a second body module including a second body unit, and a conductive connector disposed on said second body unit, said second body unit being connected telescopically to said first body unit; a wire-receiving unit disposed on said first body module; and a wire having two ends respectively and electrically connected to said light module and said conductive connector, said wire having a portion that is received within said wire-receiving unit and that is moved at least partially into or out of said wire-receiving unit as a result of a relative telescopic movement between said first and second body units; wherein: said first body unit has opposite first and second sides, said second side is formed with a cavity, said first body module further includes a pair of positioning projection units that are disposed on said first body unit and that extend into said cavity, and said second body module further includes a pair of positioning groove units formed respectively in two opposite sides of said second body unit, said second body unit partially extending into said cavity in said first body unit, each of said positioning groove units including a plurality of positioning grooves, each of said positioning projection units being operable to move into a selected one of said positioning grooves in a corresponding one of said positioning groove units to arrest the relative telescopic movement between said first and second body units; and; wherein each of said positioning projection units includes, a projecting rod having an end extending into said cavity, and a resilient member disposed in said first body unit for biasing said end of said projecting rod to move into said cavity.