TCP is the home of lighting innovation, driving new ideas for commercial, industrial and residential applications. As the world leader in energy-efficient lighting, no one makes more compact fluorescent lamps than TCP. TCP offers one of the largest selections of ENERGY STAR-approved products and distributes them throughout North America and abroad. The product line includes compact fluorescent lamps, cold cathode, linear and high bay systems, exit and emergency lighting, HID, energy-efficient linear fixtures, and LED lighting products.Note: DO NOT USE IN a totally enclosed, glass trim covered, recessed downlight. Such use voids manufacturer warranty.