In addition to the extruded aluminum casing, as described above
, the wall washer light head structure of the present invention includes: a high intensity light source (such as an elongated halogen lamp), an arcuate metallic reflector interposed between the light source and the head Structure casing, a tempered glass shield or lens to protect the lamp, and end closure walls. The glass shield or lens extends across the casing from the lower front edge section thereof to the lower rear edge section thereof and over the length of the head structure. The end walls of the head structure are affixed by screw fasteners to the ends of the extruded casing and such walls each internally bear a ceramic (insulating) support fixture for receiving and maintaining one end of the enclosed high intensity halogen type light tube or lamp.