One of the main stays in Industrial and Commercial Lighting has been the Metal Halide Bulb. It is common in Indoor Fixtures, such as High Bays, Canopy Lights, Garage Lights and Low Bays. It is also commonly found outdoors in Wall Packs, Flood Lights, Street Lights, High Mast Lights and Parking Lot Lights to name […]

 from
http://www.myledlightingguide.com/blog/index.php/11-led-retrofit-kits-to-replace-metal-halide-bulbs/