Attach to wiring from side. Also you can add a photocell to automatically turn this led canopy light ON/OFF. Application---Our WYZM LED canopy Light series can be widely used in indoor or half outdoor lighting, like indoor parking, gas stations, Stairwells, Passageway's, Toll booth's, waiting rooms, etc. The item "2 Pack 70Watt Led Canopy Light, 400W HPS/MH Bulbs Equivalent, 8400Lumen 5500K IP65" is in sale since Tuesday, August 10, 2021. This item is in the category "Business & Industrial\Facility Maintenance & Safety\Facility Lighting\Other Lights & Lighting".The seller is "brilliant_ledlight" and is located in Houston, Texas. This item can be shipped to United States.