Illumination fixtures

Claim 1

AN ELECTRICAL FIXTURE WHICH COMPRISES: AN ELONGATED TROUGHWAY HAVING A TOP WALL ADAPTED TO BE SECURED TO A CEILING, SAID TROUGHWAY INCLUDING OPPOSED SIDE WALLS EXTENDING AWAY FROM SAID TOP WALL, AND BOTTOM WALLS DIRECTED INWARDLY TOWARD EACH OTHER IN SPACED RELATION FROM SAID TOP WALL TO OPPOSED EXTREMITIES OF SAID BOTTOM WALLS TO DEFINE A CENTRAL OPENING BETWEEN SAID EXTREMITIES OF SAID BOTTOM WALLS EXTENDING THE LENGTH OF SAID TROUGHWAY, FLANGES EXTENDING FROM SAID OPPOSED EXTREMITIES TOWARD SAID TOP WALL DEFINING SUPPORT EDGES SPACED FROM SAID TOP WALL; A CLOSURE PLATE HAVING SIDE FLANGES RESTING ON SAID SUPPORT EDGES CLOSING SAID CENTRAL OPENING AND EXTENDING A PORTION OF THE LENGTH OF SAID CENTRAL OPENING, SAID CLOSURE PLATE HAVING A BOTTOM SURFACE FLUSH WITH SAID BOTTOM WALLS; A REFLECTOR PLATE LOCATED AGAINST AN EXTREMITY OF SAID CLOSURE PLATE, A RAISED CENTRAL PORTION OF SAID REFLECTOR PLATE EXTENDING INTO SAID CENTRAL OPENING BETWEEN SAID FLANGES AND SPACED FROM SAID TOP WALL AND LATERALLY EXTENDING SIDE PANELS IN FLUSH ENGAGEMENT WITH SAID BOTTOM WALLS AND EXTENDING BEYOND SAID SIDE WALLS, SAID SIDE PANELS TERMINATING WITH UPWARDLY FACING GROOVES EXTENDING PARALLEL TO AND OUTWARDLY SPACED FROM SAID WALLS; MEANS SUPPORTING THE RAISED CENTRAL PORTION OF SAID REFLECTOR PLATE ON SAID SUPPORT EDGES; ELECTRICAL CONDUIT MEANS LOCATED WITHIN SAID TROUGHWAY SO AS TO BE SUPPORTED ON AT LEAST ONE OF SAID BOTTOM WALLS; FIRST AND SECOND COACTING PLUG AND SOCKET ELECTRICAL CONNECTOR MEANS LOCATED WITHIN SAID TROUGHWAY AND UPON SAID REFLECTOR PLATE, RESPECTIVELY, SAID FIRST CONNECTOR MEANS BEING CONNECTED TO SAID ELECTRICAL CONDUIT MEANS; FLUORESCENT LAMP AND BALLAST MEANS CARRIED BY SAID REFLECTOR PLATE AND ELECTRICALLY CONNECTED TOGETHER AND TO SAID SECOND ELECTRICAL CONNECTOR MEANS; LIGHT DIFFUSER MEANS HAVING A BOTTOM SURFACE DISPOSED BENEATH SAID LAMP AND BALLAST MEANS, AND UPWARDLY EXTENDING SIDE WALLS EXTENDING FROM EACH SIDE OF SAID BOTTOM SURFACE DISPOSED SO AS TO HAVE THE LAMP AND BALLAST MEANS POSITIONED THEREBETWEEN; AND FLANGE MEANS ATTACHED TO THE EXTREMITIES OF SAID LIGHT DIFFUSER MEANS SIDE WALLS, SAID FLANGE MEANS HAVING OPPOSED DOWNWARDLY EXTENDING EDGES FREELY RESTING IN SAID UPWARDLY FACING GROOVES TO SUPPORT SAID LIGHT DIFFUSER MEANS IN ENCOMPASSING RELATION TO SAID LAMP AND BALLAST MEANS.