LIGHTING FIXTURE HAVING MECHANICAL AND ELECTRICAL INTERLOCK AND DISCONNECT

摘要

A lighting fixture stanchion arm generally includes a housing, a guard lever supported in the housing, a switch mechanism supported in the housing and a locking pin. The housing has an entry for receiving a radial finger of a fixture head and an aperture for receiving the locking pin. The guard lever is movable from a home position to an away position by the radial finger of the fixture head upon rotation of the fixture head with respect to the housing, wherein the guard lever blocks the locking pin aperture of the housing when in the home position. The locking pin is insertable in the locking pin aperture of the housing for actuating the switch mechanism when the lever guard is moved to the away position by the radial finger of the fixture head.