RESIDENTIAL RECESSED Versatile, practical and economical characterizes French Electric & Lighting Supply, Inc.'s Down lights. Versatile in the wide selection of housing and trim styles and sizes. Practical in the design and installation features such as the patented Real-Nail 2 bar hanger system. Economical in first installed costs and energy savings. ACULUX Precision Recessed Lighting Aculux is a comprehensive series of high-performance architectural-grade recessed luminaries. They are designed to provide highly efficient illumination and dramatic, space-enhancing effects from apertures that quietly blend with the architecture.