Finished in black, silver, or white, the Cori LED track head may be installed in Nora track systems and H-style tracks, or retrofitted into L- or J-style tracks. The 23W model uses nine LEDs and has a 3-5/8-inch-diameter head and a length of 4-1/4 inches with a maximum extension of 8-1/2 inches. The 12W model uses seven LEDs and has a 2 5/8-inch-diameter head and a length of 3 5/8 inches with a maximum extension of 7 1/2 inches. With a color-rendering index (CRI) exceeding 80, both models are available with 3000K or 4000K LEDs, and with a 25-degree or 40-degree beam spread. noralighting.com
Wanda Lau, LEED AP, is the former executive editor of ARCHITECT magazine. Along with 10 years of experience in architecture, engineering, and construction management, she holds a B.S. in civil engineering from Michigan State University, an S.M. in building technology from MIT, and an M.A. in journalism from Syracuse University's Newhouse School. Her work appears in several journals, books, and magazines, including Men's Health, ASID Icon, and University Business. Follow her on Twitter.