Push-in light shield

A self-locating mounting system comprising:

• a housing containing a mounting receptacle with three closed sides and an open side, a substantially solid bottom containing a laterally extending slot and a top containing an opening;
• a first sub-assembly having only a planar surface with an aperture therein, a solid rear wall and a depending side wall, said depending side wall being formed to engage said laterally extending slot in said housing and protrude therefrom;
• a second sub-assembly comprising a body with an upper surface and four walls including a front, back and two sides;
• a compressible lock associated with said upper surface;
• a first spring associated with one of said sides;
• and
• a second spring associated with said back;
• said first sub-assembly being positioned atop said second assembly with said compressible lock penetrating said aperture in said planar surface, said first spring engaging said depending side wall and said second spring engaging said solid rear wall, said first and second sub-assemblies being positioned in said receptacle with said compressible lock engaging a wall of said opening in said top of said housing and said depending side wall protruding from said laterally extending slot.